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August 29, 2014

Search: IP A popular ride at amusement parks is illustrated in the figure . In this ride, people sit in a swing that is suspended from a rotating arm. Riders are at a distance of 12 from the axis of rotation and move with a speed of 29

Number of results: 21,484

physics
The Ferris Wheel in the figure below is a vertical, circular amusement ride with radius 10 m. Riders sit on seats that swivel to remain horizontal. The Ferris Wheel rotates at a constant rate, going around once in 11 s. Consider a rider whose mass is 59 kg. part1 At the bottom...
February 23, 2012 by mo

PHYSICS
Allegra's favorite ride at the Barrel-O-Fun Amusement Park is the Flying Umbrella, which is lifted by a hydraulic jack. The operator activates the ride by applying a forcce of 72 N to a 3.0-cm-wide cylindrical piston, which holds the 20000. N ride off the ground. What is the ...
April 3, 2012 by DAN

PHYSICS
Allegra's favorite ride at the Barrel-O-Fun Amusement Park is the Flying Umbrella, which is lifted by a hydraulic jack. The operator activates the ride by applying a forcce of 72 N to a 3.0-cm-wide cylindrical piston, which holds the 20000. N ride off the ground. What is the ...
April 3, 2012 by HELP PLEASE

French
How do you say ride as in riding a ride in an amusement park?
May 17, 2008 by Slappy

math
You must be at least 48 inches tall to ride an amusement park ride, and your little sister is 30 inches tall. How many inches/must she grow before she may ride the ride? You need no more than 3,000 calories in a day. You consumed 840 calories at breakfast and 1,150 calories at...
March 14, 2009 by Erin

Physics
An amusement ride consists of a large horizontal circular platform turning at 12 rpm. People attempt to sit on this platform without slipping toward the outer edge. The coefficient of static friction is 0.15. Determine the distance from the center of the platform that a 150-...
November 30, 2010 by Tim

physics
if a spinning amusement-park ride has an angular speed of 1.2 rad/s, what is the centripetal acceleration of a person standing 12m from the center of the ride?
November 24, 2009 by Luis

english
Do you know when to ride a bike? Do you know when you should ride a bike? - 1. Yes, I do. I have to ride a bike between 5 and 7 p.m. - 2. Yes, I do. I should ride a bike during the daytime. - 3. Yes, I do. I must ride a bike on weekends. (Are both the questions and answers ...
April 22, 2014 by rfvv

English
1. He is riding a horse. 2. He is riding on a horse. 3. He has to ride a taxi. 4. He has to ride on a taxi. 5. He has to ride in a taxi. 6. He will ride a bus. 7. He will ride on a bus. 8. He will ride in a bus. 9. He will ride the subway. 10. He will ride on the subway. 11. ...
November 14, 2012 by rfvv

College Physics
The rotor is an amusement park ride where people stand against the inside of a cylinder. Once the cylinder is spinning fast enough, the floor drops out. A-What force keeps the people from falling out the bottowm of the ride? I think that it's the Normal force? B-If the ...
October 21, 2008 by JP

math
please help me am having problems answering this problem. there are 5.7 million Americans who ride a bicycle at leaset occassionally. the following circle graph shows reasons people ride. in each of exercise 61-64, determine the number of Americans who ride a bicycle for the ...
March 18, 2011 by Ngo

physics
In an amusement park ride, cars are suspended from L = 4.22 m cables attached to rotating arms at a distance of D = 6.25 m from the axis of rotation. The cables swing out at an angle of θ = 49° when the ride is operating. What is the angular speed of rotation?
February 18, 2012 by Jon Tuck

Physics
In an amusement park rocket ride, cars are suspended from L = 4.28-m cables attached to rotating arms at a distance of d = 6.10 m from the axis of rotation. The cables swing out at an angle of θ = 52.0° when the ride is operating. What is the angular speed of rotation?
December 9, 2008 by Sandhya

trig
a carousel has eight evely spaced seats shaped like animals. During each ride, the carousel makes between 8 and 9 clockwise revolutions. At the end of one ride, the carousel stops so that the lion is in the position where the zebra was when the ride started. through how many ...
May 7, 2014 by TJ

English
You need to ride up the road. (Which vehicle does the other person have to ride? Is this expression used only for riding a horse? What is the meaning of 'ride up'? Does the other person need to ride a horst toward the place which is up?)
September 26, 2013 by rfvv

physics
In a popular amusement park ride, a rotating cylinder of radius 2.90 meters is set into rotation with a period of 2.28 seconds. The floor then drops away, leaving the riders suspended against the wall in a vertical position.
December 6, 2012 by asldkf

physics
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.2 m/s, and an 83 kg person feels a 525 N force ...
October 1, 2008 by Jen

physics
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.04 m/s, and an 65.2-kg person feels a 290-N ...
October 8, 2012 by Jane

Physics
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.44 m/s, and an 64.3-kg person feels a 277-N ...
October 3, 2013 by Tyler

Physics
A popular amusement park ride looks like a huge cylinder of radius 3 m, where people stand up along the vertical walls on top of a floor which can drop away. The cylinder begins to rotate faster and faster, and when it reaches its highest speed the floor drops away. Clearly ...
February 13, 2013 by Kelsi

Math
The latest thrill ride at a popular theme park takes roller coaster fans on an exciting ride. In the first 20 seconds, it carries its passengers up a 100 meter hill, plunges them 72 meters down and quickly takes them back up a 48 meter rise. How much higher or lower from the ...
September 9, 2013 by Jerald

Physics
In an old fashioned amusement park ride, passengers stand inside a 5.0-m diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about the vertical axis. Then, the floor that the passengers are standing on suddenly drops away! If all ...
October 12, 2009 by Jacqui

math
Anthony plans to ride 175 km on his bike and Samantha plans to ride 250 km. They both plan to complete their journeys in a whole number of days. a) How many kilometers could each person travel if they both ride the same number of kilmeters each day? b) Howmany days will each ...
September 9, 2009 by Van

Physics
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The loop-the-loop ride is in the vertical plane and ...
October 2, 2012 by Jackson Kerr

college physics 1
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The loop-the-loop ride is in the vertical plane and ...
March 5, 2014 by anonymous

math hw
in 1997 there were 3344 amusement parks in the u.s.. this decreased by 148 in 2002 then grew by 47 by 2008 how many amusement parks and arcades were there in 2008? please show work
October 14, 2012 by ellis

math
Anthony plans to ride 175 km on his bike and Samanta plans to ride 250km. They both plan to complete their journeys in a whole number of days. How many kilometres could each person travel if they both ride the same number of kilometres each day. How many days will each person ...
October 3, 2011 by Anonymous

Math
I need help with these 3 problems. 1. An amusement park charges admission plus a fee for each ride you go on. 2 admissions and 5 rides cost \$22. 2 admissions and X rides cost \$24. What is the charge for 1 admission and the charge for 1 ride. 2. Find the lenght of the ...
June 28, 2010 by Jessica

Math
A group of 378 people are standing in line to ride a roller coaster.If the roller coaster seats 16 people at one time,what is the least number of times the roller coaster will have to operate in order to give every person a ride?
March 21, 2013 by Olyvia

physics
A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, the child’s speed has a constant value of 4.23 m/s. Find the normal force the seat exerts on the child at: a) The top of the ride b) The bottom of the ride
July 1, 2013 by justin

physics
a carnival ride is made so that at a certain point the floor can be lowered and the people inside dont fall. if this carnival ride has 2.0 m radius and rotates 1.1 times per second: a) find the speed of the ride. B) find the centripetal acceleration of a rider C) what produces...
April 6, 2012 by Ren

If you were in a rotor style ride and the riders accelerate until the speed of ride is reached- if the radius of the cylinder is 5.0m and the coefficient of friction between clothes and wall is 0.5, how do you find minimum speed you would need to stick to the wall of the ride...
December 7, 2010 by Joey

physics
You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The Rocket. Eight rocket-shaped cars hang by chains from the outside edge of a large steel disk. A vertical axle through the center of the ride turns the disk, causing the cars to ...
March 9, 2013 by Anonymous

Pre-algebra
If m is the number of minutes a taxi ride lasts, then 2 + 0.35m can be used to find the cost of a taxi ride with Bill's Taxi Company. How much will it cost for a 12-min taxi ride? I don't understand how to calculate this, thank you!
August 31, 2012 by Susan

physics
A carnival ride has a radius of 2.18 m and rotates once every 0.82 sec. What would the speed of a rider be that has been flung from the ride? What would be the angular speed of a second rider who remains on the ride?

Calculus
Could someone help me setup an equation for this equation? --------------------------------- A city bus system carries 4000 passengers a day throughout a large city. The cost to ride the bus is \$1.50/person. The owner realizes that 100 fewer people would ride the bus for each...
March 7, 2012 by Jake

Physics
In a popular amusement park ride, a rotating cylinder of radius 3.0 m is set in rotation at an angular speed of 0.80 revolutions per second. The floor then drops away, leaving the riders suspended against the wall in a vertical position. (a) What minimum coefficient of ...
October 20, 2011 by harrison

math
Anthony plans to travel 175 km. on his bike,samantha wants to ride 250 km. they both plan to complete their journeys in a whole number of days.(a)how many km could each travel if they both ride the same amount of km each day (b)How many days will each have to ride for each ...
October 6, 2011 by Jessie

physics
sarah ride her bike at an average spped of 6m/s. how long does it take her to ride 6km (6,000 m)?
September 26, 2011 by mark

Physics
In a popular amusement park ride, a cylinder of radius 2.19 meters is set in rotation at an angular speed of 5.09 rad/s. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction between a rider's ...
April 28, 2008 by Kendra

physics
An amusement park ride consists of a large vertical cylinder that spins about Figure P6.61 its axis fast enough such that any person inside is held up against the wall persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in ...
October 1, 2011 by Anonymous

english
What is the part of speech of can ride and for in the following sentence. Jady can ride his new toy tractor now,for he is of restriction
January 30, 2011 by tommy

English
I want to ride. What parts of speech are to ride in this sentence.
September 21, 2010 by Keith

physics
A 57.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 23.0 m. (a) What is the centripetal acceleration of the child? (b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride? (c...
June 19, 2011 by Sarah

Word problem
Sung has 22 carnival ride tickets and it takes 3 tickets to ride the roller coaster. How many times can he ride the coaster? How many tickets will he have left over? Number of times he can ride the coaster? Number of tickets left over ?
May 4, 2012 by Sean La

General physics
A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, the child’s speed has a constant value of 4.23 m/s. Find the normal force the seat exerts on the child at: a) The top of the ride b) The bottom of the ride here are ...
July 2, 2013 by ODU

Physics
Spin and Barf Ride Rotor diameter is 4.0 m. Minimum period of rotation is 1.7 s. The ride lasts 110 s. 1. What is the tangential velocity? 2. What is the centripetal acceleration is m/s2 and g’s?
January 19, 2011 by John

help
a 2-mi cab ride costs \$4.25. a 7-mi cab ride costs \$8.50. which equation models the cost y of a cab ride that is x miles?
May 21, 2013 by Anonymous

math
michelle went on a 24-mile bike ride by lunchtime, they had ridden 5/8 of the total distance.How many miles did they have left to ride after lunch.
December 6, 2007 by milan

physics
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing suddenly drops away! ...
October 23, 2008 by Matt

Math
Gerald and Michelle went on a 24 mile bike ride. By lunchtime they had ridden 5/8ths of the total distance. how many miles did they have left to ride after lunch ?
January 10, 2011 by Stacy

Math
How much farther do you ride in one turn of a merry-go-round if you sit in the outside lane, 21 feet from the center, than if you sit in the inside lane, 14 feet from the center?
February 24, 2014 by Shawn

Algebra
The period of time the pirate ship ride at a carnival takes to complete one cycle swinging to and fro is represented by the formula below for L feet long and T seconds. Find to the nearest hundredth of a second the period of time it takes the ride to swing one cycle if the ...
May 20, 2011 by Amy

algebra
It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how longwill it take her to ride 8 miles?
January 31, 2010 by Russell

math
It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how long will it take her to ride 8 miles?
March 15, 2010 by emma

Physics
In a popular amusement-park ride, a cylinder of radius 3.00 m is set in rotation at an angular speed of 5.00 rad/s (counter-clockwise). The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction between...
November 19, 2008 by Bob

math
in a primary school 70% of the boys and 55% of the girls can ride a bicycle. if a boy or a girl are chosen at random, what is the probability that both of them can ride a bicycle?
May 13, 2013 by donald

Intermediate Algebra
The average cab ride cost per mile(x) is given by f(x)=2x+3.50, where x is miles and f(x) is money. A. Find the cost of a 5 mile ride. B. Find the cost of a 3/4 mile ride. C. How many miles can you go in \$50?
April 1, 2012 by Raul

algebra
θhe height h in feet of a car above the exit ramp of an amusement park′s free-fall ride can be modled by the equation h=−16t<E> 6<E>+s where t is the time in seconds after the car drops s is the starting height of the car in feet. How high above ...
May 11, 2014 by Sue May

algebra
Julia can finish 20 mile bike ride in 1.2 hrs. Katie can finish the same bike ride in 1.6 hrs. How much faster. Does Julia ride then katie
May 29, 2014 by Anonymous

Math
A carousel at Playland, contains 38 horses. each carousel ride takes 4 minutes, riders need 3 minutes to exit and newcomber require 3 minutes to pick a horse and hop on. A carousel ride costs \$0.75. The carousel makes \$88,239.00 a year. How many horses are occupied per ride, ...
February 25, 2014 by John

Physics
In an amusement ride, fun seeking people enter a 7.4 meter diameter cylinder and stand up against the wall. The cylinder spins fast enough so that when the bottom drops down 2 meters, the people remain pinned to the wall. The cylinder continues to rotate for awhile but then ...
October 20, 2011 by Me

physics
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The loop-the-loop ride is in the vertical plane and its ...
February 23, 2011 by heather

math
Geral and michelle went on a 24 bike-ride. By lunch time they had ridden 5 eigth of the total distance. How many miles did they have left to ride after lunch?
March 11, 2010 by Julie

English
Would you like a ride home? (What is the part of speech of 'ride' and' home'?)
August 31, 2010 by rfvv

Maths!! Sinusoidal!
1.Jim and Chana are riding the Ferris wheel like the one diagrammed here. It is supported on a triangular base having a bottom of 18.460m and sides of 14.359m. During the ride Jim observed Chana, while Chana observed that at the bottom of the ride she passed the two structural...
July 25, 2014 by Moe

physics
In a popular amusement park ride, a rotating cylinder of radius 4.00 m is set in rotation at an angular speed of 5.00 rad/s. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction between a rider's ...
July 11, 2008 by Elisa

Physics
The “Giant Swing” ride consists of a vertical shaft with a number of horizontal arms attached at the top as shown. A rigid cable 5.0 m long connects a seat to the arm at a point 2.0 m from the center shaft. When the ride reaches its full speed, the angle made by the arm is 35....
February 24, 2013 by Meder

Math
June rides the 15 foot tall ferris wheel at the city fair. She enters the ride at the bottom. If the ride makes 8 complete rotations before stopping, what is the total distance that June travels?
April 8, 2012 by Joe

Math
June rides the 15 foot tall ferris wheel at the city fair. She enters the ride at the bottom. If the ride makes 8 complete rotations before stopping, what is the total distance that June travels?
April 8, 2012 by Cathy

algebra
The total charge for a taxi ride includes an initial fee of \$2.75 plus \$2.25 for every 1/2 mile traveled. Joe took a taxi, and the ride cost him \$56.75. How would this be put in a equation? Show your work.
March 20, 2013 by syram

Psychology
Phyllis is anxious to ride the parachute drop at the park. Her friend, Betsy, feels faint at the thought and does not enjoy watching others ride. These different reactions demonstrate that _______________.   A. perception of stress varies among individuals B. some ...
July 26, 2013 by Mark

Deepa
A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people per day. The cost to ride the bus is 20\$. Market research shows that if the fare increases by \$0.50, 200 fewer people will ride the bus. What fare ...
April 26, 2014 by Calculus

Physics
You take a ride in a fast elevator to the top of a tall building and ride back down while standing on a bathroom scale. During which parts of the ride will your apparent and real weights be the same? During which parts will your apparent weight be less than your real weight? ...
January 14, 2013 by Billy

Math
8 people are going to sit on 6 chairs. Two of them John and Kelly can't sit next to each other. How many ways can you put the people to seats? The answer is 10080, but I can't figure out how to calculate it.
April 8, 2014 by Helga

English help
Identify the infinitive phrase in the following sentence. Too many people drive to work when it would be just as easy for them to ride the bus. A. drive to work B. it would be C. just as easy D. to ride the bus I think it is A??
January 31, 2014 by Cassie

English
Can you tell me if the following sentences are possible? Thank you very much. 1) I get a lift with my dad on his motorbike. My dad gives me a lift on his motorbike. 2) I ride my motorbike to school. It takes me ten minutes to ride my motorbike to school. It takes me ten ...
November 8, 2010 by Franco

HELP
In a "Rotor-ride" at a carnival, people pay money to be rotated in a vertical cylindrically walled "room." If the room radius is 4.8 m, and the rotation frequency is 0.6 revolutions per second when the floor drops out, what is the minimum coefficient of static friction so that...
October 9, 2006 by Britt Pogue

English
I left out a few sentences.Thank you for your cooperation. 1) Do/take an exam 2) Have a holiday/go on holiday/go to London for my holiday. 3) go for a bath (in the sea, at the swimming pool),take a bath (at home), take/have a shower. 4) Don't ride your bike on that road. Don't...
June 28, 2011 by Henry2

math
The diameter of each tire on Niki's bike is 66 centimeters (cm). It takes her 16 minutes to ride 10 kilometers (km). How fast did Niki ride, in kilometers per hour?
March 25, 2012 by jenna

Math - Probability
in a primary school 70% of the boys and 55% of the girls can ride a bicycle. if a boy or a girl are chosen at random, what is the probability that both of them can ride a bicycle?
May 13, 2013 by donald

Mathamatics
The diameter of each tire on Niki's bike is 66 centimeters (cm). It takes her 16 minutes to ride 10 kilometers (km). How fast did Niki ride, in kilometers per hour? thx in advance =D
March 21, 2011 by Kylie C.

algebra
A 5mile cab ride costs\$7.20 a 9 mile cab ride costs \$11.60 find a linear equation that models a relationship between cost c and distance d? Answers are C =1.44 d +4.40 C=1.10 c +4.40 C=1.29 d+1.70 C=1.10 d +1.70 Thanks
March 14, 2014 by snow

Math
A 3-mi cab ride costs \$4.50. A 7-min cab ride costs \$8.10. Find a linear equation that models cost c as a function of distance d.
September 16, 2013 by Victoria

In this passage I need to find the main idea and 3 supporting details. You have probably gone on a merry-go-around. Theres one at most theme and carnivals. You find a painted horse or other animal. You climb up on its back. Most of the animals are on the poles. The poles go up...
April 6, 2011 by christy

algebra
From a point on a straight road. Pablo and Kelsey ride bicycles in the same direction. Pablo rides 12mph and Kelsey ride 14mph. How many hours will they be 9 miles apart
September 18, 2012 by J

algebra
The total charge for a taxi ride includes an initial fee of \$2.75 plus \$2.25 for every 1/2 mile traveled. Joe took a taxi, and the ride cost him \$56.75. How many miles did he travel in the taxi? What is the equation? Show your work.
March 19, 2013 by syram

Physics
an 80 kg physics student is riding the cajun cliffhanger. this ride had a diameter of 8.0m (u:0.06)the ride produces enough centripetal force to suspend a student. 1.what is the force of friction to keep the student suspended? 2.what normal force is required to generate the ...
May 3, 2010 by Maira

math
while riding a bike at a rate of 14 mph, Steven takes 1.2 hours to ride the entire length of a trail. how many hours would it take him to complete the same ride if he rode at 8 mph? how do you do this problem?
July 18, 2010 by Julie

Math
An average cab ride is 7.3 miles. The cost is \$3 for the first mile and \$0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x). - did not match any documents. No pages were found containing " An average cab ride is 7.3 miles. The cost is \$...
January 23, 2014 by Pea

math
1.A child chooses a horse to ride on a carousel. The horse is located 9m from the centre of the carousel. If the ride turns through an angle of 128pie/27 determine the length of the arc travelled by the horse.
May 8, 2012 by chris

Science/History - Sally Ride
What are some interserting facts about Sally Ride? I am doing a presentation on her and I read that she died this summer. I also have some other information, but I need some more help.
August 26, 2012 by Tani

Physics
â€śRotorâ€ť is a ride found in many amusement parks that consists of a hollow cylindrical room (roughly 8 ft in radius) that rotates around a central vertical axis. Riders enter the room and stand against the canvas-covered wall. The room begins to rotate, and when a certain ...
January 16, 2012 by TAG

physics
Fairgoers ride a Ferris wheel with a radius of 5.50 m, the bottom of which is 1.75 m above the ground. The wheel completes one revolution every 32.0 s. If a rider accidentally drops a stuffed animal at the top of the wheel, where does it land relative to the base of the ride...
September 26, 2012 by Kabe

Math
Six people are going to sit in a row on a bench. Romeo wasnts to sit next to Juliet. Caesar does not want to sit next to Brutus. Homer and Pierre can sit anywhere. In how many ways can these people be seated?
October 2, 2012 by Sarah

Honor Physics
Fairgoers ride a Ferris wheel with a radius of 5.00 . The wheel completes one revolution every 33.0 . If a rider accidentally drops a stuffed animal at the top of the wheel, where does it land relative to the base of the ride? (Note: The bottom of the wheel is 1.75 above the ...
September 15, 2009 by Milo

English
I left out two last sentences.Which are grammatica? Thank you very much. 1)When I was five I was able to ride a bike/When I was five I could ride ... 2) Did they manage to book a table...? Were they able to book (is a mistake?)
November 8, 2013 by Franco

math
In a random sample of 150 students, 60 ride the bus to school, 54 ride in carpools and 36 walk. It is predicted there will be 800 students in school next year. How many will need bus transportation?
November 12, 2013 by ava

verbal linear equations
a taxi costs \$2.75 for the first quarter of a mile and \$0.85 for each subsequent quarter mile.A ride that cost \$23.15 is how many miles longer than a ride that costs \$17.20?(please i don't want example show me how u work it out )
February 5, 2012 by tanya

math
antonio likes to ride his bike. He can ride from his house to school in 5 minutes, from school to dj's house in 7 minutes, from dj's house to the mail in 6 minutes and from the mall to his house in 3 minutes. How long will it take Antonio to ride from school to the mall if he ...
September 25, 2012 by yessenia

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