Wednesday

September 2, 2015
Number of results: 131,231

**math**

A teacher drove 280 miles to attend a mathematics conference and arrived 1 hour late. The teacher figured out that, had she increased her average speed by 5 mph, she would have arrived on time to the conference. What was her average rate of speed? *explanations would be ...
*September 17, 2007 by Rachel h*

**Algebra 1**

To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour
*March 7, 2011 by brad*

**Math**

Sue was in excellent shape in high school, she could ride her 10-speed bicycle 4.8miles to her grandmother's house in 11 minutes. Her return trip home took 14 minutes. The times are different due to there being a slight downhill slop on part of the trip to her grandmothers. If...
*December 9, 2012 by Erin*

**math **

Sue was in excellent shape in high school, she could ride her 10-speed bicycle 4.8miles to her grandmother's house in 11 minutes. Her return trip home took 14 minutes. The times are different due to there being a slight downhill slop on part of the trip to her grandmothers. If...
*December 9, 2012 by kate*

**ACCOUnting**

Chen Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2010 are as follows. Production Data-Basketballs Units Percent Complete Work in ...
*November 14, 2011 by BILLY*

**Math**

A car rents for $35 per day plus 20cents per mile. If x represents the number of miles jorge drives per day, 35+0.20x represents the cost of the rental. If jorge has $89 to spend for the daily car rental, what is the maximum number of miles he can travel per day?
*November 9, 2008 by Bryan*

**6th Grade Math**

If a plane is going on a 500 mile trip, how many minutes will it take to get there for a speed of 400, 300, 200, and 100 mph? For 500 it wil obviously take 1 hour, but my brain is dead today and I can't figure out the other four.
*December 1, 2009 by Mika*

**algebra**

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...
*December 6, 2014 by Barb*

**math**

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...
*December 7, 2014 by Quintyn*

**math**

if joise drives 55 miles per hour how many hours will it take her to travel 350 miles
*August 18, 2012 by jada *

**social studies**

i need help!!!!! one type of lightning bug glows once every 1 1/2 seconds. how many times can it glow in 1 minute? and the other one is : Bea can run 1/6 mile in 2 minutes. how long should it take her to run 2 miles? please help the teacher wont help me and i need these ...
*January 16, 2013 by gaby*

**Algebra**

A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.
*June 1, 2010 by Avery*

**davidson high**

a consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour faster. What was the consultant's speed each way?
*September 25, 2007 by lisa*

**Math**

a woman drives to work and averages 70 kilometers per hour for the trip. On her trip from work to home she averages 100 kilometers per hour. What is her average speed for the round trip?
*July 15, 2015 by Justin*

**Math [urgent]**

1. The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers. ~~~~~~ 2. Two friends live 15 miles apart. One day they decide to jog and meet each other. Tanya ...
*September 24, 2009 by Jessica*

**Math**

Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before it becomes more ...
*July 4, 2011 by Staffon*

**Math**

Pete and jan compete as a team in a biathlon. Pete runs at a speed of 9 km/ h for x hours. Jan cycles at twice Pete's running speed for 1 hour and 30 minutes. The total distance of the biathlon is 42 km. Find, in hour and minutes, Pete's running time.
*May 26, 2008 by Ephraim*

**Math**

One phone company charges $12 per month plus $.05 per minute after the first 500 minutes. A second phone company charges $10 per month plus $.04 per minute after the first 300 minutes. How many minutes would a subscriber have to use so that the cost of the two plans is the ...
*May 18, 2015 by Luke*

**math**

a model airplane flies 18 feet in 2 seconds what is the airplanes speed in miles per hour round you answer to the nearest hundredth how would i do this
*October 21, 2010 by courtney*

**military,math**

can someone please help me with these problems. The posted speed limit for trucks along national route 3 is 35mph. how many kilometers will a convoy cover after 3.7 hours on the road traveling at the posted. a) 804.85 b)129.5 c)208.37 d)80.4 The village of Umatata does not ...
*April 5, 2007 by jake123*

**algebra**

a rental car costs $24 per day plus 25 cents per mile. the total trip costs $54. how many miles were traveled if the trip lasted one day?
*October 9, 2010 by john*

**physics please help**

one kilwatt/hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied fr a time of one hour. a kilowatt/hour is the unit of energy used by power companies when figuring your electric bill. determine the number of joules of energy in one ...
*February 24, 2012 by taylor*

**Earth Science**

5. Most tornadoes carry wind speeds that range from A. 105 to 177 km per hour. B. 178 to 266 km per hour. C. 267 to 322 km per hour. D. 1 to 105 km per hour. A?
*February 13, 2015 by Sarah *

**math function rule input/output**

during a 10 hr train trip the distance you travel equals 45 miles per hour the number t of hours spent traveling The distance travelled is speed x time. Your question seems to be stated incorrectly. You say the travel time in the begining of the sentence and then ask for what ...
*March 21, 2007 by Anonymous*

**math**

On a recent math test, monique earned an 85%. Which value represnts the amount monique did not answer correctly?
*April 7, 2014 by anonymus*

**physics **

A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s
*January 19, 2014 by NADIA*

**algebra**

Mike drove 80 miles per hour. How long will it take Mona to drive 100 miles.
*September 15, 2011 by BOB*

**algebra**

A car be rented for $55 per week plus .25 per mile. How many miles can driven if you have at most $280 to spend for weekly transportation?
*October 16, 2014 by Anonymous*

**Physics**

How much momentum does a .01 kg ping pong ball have if it is traveling at 25 miles/hour? (1.609km=1 mile)
*January 30, 2014 by Georgianna*

**Physics**

How much momentum does a .01 kg ping pong ball have if it is traveling at 25 miles/hour? (1.609km=1 mile)
*January 30, 2014 by Georgianna*

**math**

a bus takes 12 hours to travel the same distance that an airplane travels in 1.5 hours. the average speed of the airplane ia 120 km per hour faster than five times the average speed of the bus. what is the average speed of the bus? let x represent the speed of the bus speed of...
*November 29, 2006 by aaron*

**Algebra**

Use the five steps for problem sovling. Company A charges $25 per month plus $0.22 per minute for cell phone service. Company B charges $35 per month plus $0.12 per minute. How many minutes of usage is needed in one month to make Company B a better deal?
*July 10, 2011 by Poochie*

**Math**

Compare the population per square mile in Asia to the population per square mile in North America for the year 2000 Asia is 17,400 (land area) and land area is 1000 mi squared population is 4,028,000,000 North America is 9,400 (land area) and land area is 1,000 mi squared ...
*June 7, 2007 by Maggie*

**Calculus**

The first boat is sailing towards the North at the speed of 6 km per hour and sees that another boat is heading east at the speed of 5 km per hour. The second boat is to the northwest of the first boat. what is the minimum distance between two boats, assuming that they do not ...
*December 3, 2013 by Jessica*

**Chemistry**

A bug is observed to travel 72 cm in 7.5 seconds. What is the bug's speed in miles per hour?
*September 11, 2012 by L*

**maths**

1. a first train travelling at x km an hour takes t hour less to travel y km than a slower one takes to travel z km . find the different between their speed 2. a man has one kind of coffee at 'a' paise per kg and another at 'b' paise per kg how much of each must take to form a...
*May 19, 2012 by saila*

**algebra 2**

A rental car agency charges $13 per day plus 12 cents per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. How many miles per day will have to be driven for the cost of a car form the second agency?
*May 25, 2010 by Anonymous*

**economics**

suppose a firm's constant-returns to scale production function requires it to use capital and labor in a fixed ratio of two workers per machine to produce 10 units and that the rental rates for capital and labor are given by v=1, w=3. a. calculate the firm's long run total and...
*October 4, 2007 by jon*

**Math**

If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???
*August 29, 2014 by Alicia Martinez*

**Math**

My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how many minutes does the...
*September 27, 2006 by SherylA*

**algebra 1**

a model airplane flies 18 feet in 2 seconds. What is the airplane's speed in miles per hour?
*December 8, 2008 by Giovanna*

**math**

A plane that flies 170 miles per hour is flying 510 miles. How long will the trip take?
*April 28, 2010 by joe*

**math**

Abner walks 3 miles per hour. At this rate, how long will it take him to walk WebEQ Image miles?
*January 18, 2011 by Anonymous*

**math **

what rule relating time and distance can help me calculate the traveled for 950 miles in bus at 60 miles per hour?
*January 30, 2011 by monserrate*

**Geometry**

A model airplane's fligth lasted nearly 38 hours. What was his miles per hour if the distance was 1,883 miles?
*August 25, 2011 by Heather*

**Calculus**

A searchlight rotates at a rate of 2 revolutions per minute. The beam hits a wall located 8 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per hour) is this dot moving when the angle between the beam and the line through the ...
*October 30, 2011 by Reonea*

**geometry**

If Jan takes exactly 30 minutes to walk to school each day, and her school is 2.3 miles away, what is her average walking speed (rounded to the nearest tenth)?
*February 20, 2011 by chip*

**Math**

Mrs monk rented a truck for 3 days. Enterprise charged her $40. per day plus $.25 per miles. The total charge was $142.75. How many miles did she drive the truck? (1) 411 miles (2) 91 miles (3) 251 miles (4) 571 miles
*February 20, 2015 by Sunny*

**Economics**

Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s labor supply between the ...
*September 21, 2009 by Jon*

**Mathematics**

Anthony uses 1.2 metres of leather and one buckle when he makes a leather belt. He can make 15 belts per hour and he values his labour $11 per hour. Anthony buys his supplies in bulk. The leather comes in rolls 50 metres long at a cost of $180 per roll and the buckles come in ...
*February 7, 2012 by CrissyXD*

**4th grade**

If a car is traveling 60 miles per hour, how far does it travel in one minute? Thanks
*December 17, 2008 by Justin*

**math in distress**

A salesman drove 480 miles from Pittsburgh to Hartford. The next day he returned the same distance to Pittsburgh in half an hour less time than his original trip took, because he increased his average speed by 4 mph find his original speed. Okay... I did it this way...480/2= ...
*July 1, 2015 by toya5 *

**algebra**

Ace car rental rents a car for $45 and .25 cents per mile. Star rental car rents a car for $35 and .30 cents per mile. How many miles would a driver need to drive before the cost of renting a car at these two places were the same?
*October 24, 2014 by Anonymous*

**Algebra**

I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an equation and solve in order ...
*August 21, 2008 by Jillian*

**algebra**

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 * 3.1416 = 15.7 inches ...
*November 13, 2011 by Angela*

**math**

When James drove to a concert last night, it took him 3 hours and 30 minutes. He averaged 60 miles an hour on the way there. How far did he drive one way?
*December 19, 2013 by lulu*

**Math**

A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?
*February 21, 2013 by Anonymous*

**Rational Functions Word Problem**

A car travels at a constant speed and burns g(x) litres of gas per kilometer, where x is the speed of the car in kilometers per hour and g(x) = 1280 + x^2/320x a) If gas costs $1.29 per litre, find the cost function C(x) that expresses the cost of the fuel for a 200 km trip as...
*October 6, 2014 by Trisha*

**Economics/Calculus**

Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s labor supply between the ...
*September 21, 2009 by Jon*

**calculas maths**

.Two hikers begin at the same location and walk in perpendicular directions. Hiker A travels due north at a rate of 3 miles per hour; Hiker B travels due east at a rate of 5 miles per hour. At what rate is the distance between the two hikers changing 4 hours into the hike?
*November 3, 2012 by ashwani*

**Algebra 1**

A talk-radio station airs commercials during any time not used for discussions with callers. Commercial time on the station costs $750.00 per minute. Write a variable expression for the amount of money the station can make on commercials in one hour, based on the number of ...
*September 10, 2008 by Joy*

**algebra**

In a given training week, a swimmer completes 1/4 mile on day one, 3/5 mile on day two, and 2/3 mile on day three. How many total miles does the athlete swim in the given week?
*July 31, 2014 by shenae*

**physics**

A de-orbit burn, similar to that presented in the previous math problem, has been performed. During this de-orbit burn a pre-calculated ∆V (delta V, change in velocity) of 290 ft/s (or 88.4 m/s) will be used to decrease the Shuttle’s altitude from 205 miles to 60 miles ...
*January 20, 2012 by Levi B.*

**Capital Budgeting**

A company has revenues of 100 per unit sold. Current sales are 7500 units. Labor rates are 15 per hour. It takes 1.2 hours of labor to make each buggy. Material costs are 13.50 per unit. Figures are expected to remain the same permanently if the company continues to ...
*April 24, 2007 by Ash*

**physics**

What is the velocity of a car going east for 50 miles in one hour? my answer. 50 miles/hour (east)?????
*September 19, 2011 by dave*

**Math**

Mr. Herman's family is traveling from Brownsville, Texas to their home in Lardeo, Texas. The distance from Brownsville to Laredo is 200 miles. And Mr Herman is driving at a speed of 50 miles per hour. Write an equation for the situation 50x=200
*November 11, 2014 by M*

**Math**

Mr. Herman's family is traveling from Brownsville, Texas to their home in Lardeo, Texas. The distance from Brownsville to Laredo is 200 miles. And Mr Herman is driving at a speed of 50 miles per hour. Write an equation for the situation 50x=200
*November 11, 2014 by M*

**Physics**

One kilowatt-hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour. A kilowatt-hour is the unit of energy used by power companies when figuring your electric bill. Determine the number of joules of energy in one ...
*February 29, 2012 by Candy*

**Physics**

1. How is average speed related to instantaneous speed? What certain conditions must be met for the two variables to have the same or close value? 2. Cite one practical example on the use of the concepts of instantaneous speed, average speed in observing safety on the road.
*July 2, 2014 by Jade*

**Statistics**

9 trucks arrive per hour. It takes 6 minutes after reaching the loading station. Two alternatives to modify the situation. One is to change the trucks and add a helper at the loading station at a cost of 50,0000. This would change the arrival time of the trucks to 6 per hour ...
*September 29, 2011 by Sammy*

**algebra**

I need help with a word problem. Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 70 miles per hour.Train A passes a station at 6:10 A.M. If train B passes the station at 6:22 A.M., ...
*March 18, 2008 by Casey*

**math question**

How do you do rates and unit prices and what is the process for doing this types of problems Do you have a specific problem? if all the horizontal lines are parallel , what is the value of x? for rates: 25 miles/5 hours = 5 miles/1 hour To get a unit rate, the denominator ...
*March 13, 2007 by patti help*

**computers please help**

Hi i'm taking a intro to technology class and we have this assignment where we take different types of computers and find information. but i'm stuck. i need to find the speed of the motherboard for all of them. here's a list of them i have find for: 80386Dx, 80386SX, 80486DX, ...
*September 6, 2006 by Anonymous*

**Physics**

a truck is traveling in a straight line goes 60km in 83minutes. what is its average speed in km per hour?
*May 24, 2012 by Jen*

**MATH - probability #2**

A rescue squad spokesperson claims that the squad receives an average of 3 calls per hour. If at most 6 calls were received over a 5-hour period, would you suspect that the spokesperson was overestimating the average number of calls received per hour? Explain based on the ...
*October 14, 2006 by Lindz*

**math**

Two friends worked out on treadmills at the gym. •Alden walked 2 miles in 3/4 hour •Kira walked 1 3/4 miles in 30 minutes Who walked at a faster rate?
*January 1, 2014 by Please Help!!!*

**algebra**

Company A charges $55 per day plus $0.35 per mile to rent a car. Company B charges $50 per day plus $0.40 per mile. Jack wants to rent a car for three days. How many miles should Jack be traveling so that Company A is less expensive than Company B?
*October 30, 2010 by franklin*

**ALGEBRA**

Company A charges $55 per day plus $0.35 per mile to rent a car. Company B charges $50 per day plus $0.40 per mile. Jack wants to rent a car for three days. How many miles should Jack be traveling so that Company A is less expensive than Company B?
*November 2, 2010 by CHANTELL*

**maths**

A factory produces two products A and B using raw materials p and q. It uses 3 units of p and 1 unit of q to produce one unit of A. It uses 1 unit of p and 2 units of q to produce one unit of B. The maximum daily supplies are 330 units of p and 220 units of q. If the profit ...
*July 9, 2013 by maths*

**7th grade math Ms. Sue please**

13. A baseball bat and 8 baseballs cost $163.25. The bat costs $106.45. What is the cost c of one baseball? (1 point) 163.25 – 8c = 106.45; $33.71 8c + 106.45 = 163.25; $7.10 8c + 163.25 = 106.45; $7.10 8c – 106.45 = 163.25; $33.71 14. Mark weighs 74 pounds. Together, he and ...
*January 2, 2013 by Delilah*

**math-pre calc**

On a drive from your home to town, you wish to average 48 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you find you have averaged only 36 mph. What average speed must you maintain in the remaining distance in order to have an overall ...
*September 24, 2014 by liz*

**calc**

Suppose that an accelerating car goes from 0 mph to 58.6 mph in five seconds. Its velocity is given in the following table, converted from miles per hour to feet per second, so that all time measurements are in seconds. (Note: 1 mph is 22/15 feet per sec = 12/15 ft/s.) Find ...
*April 17, 2015 by Anonymous*

**Physics**

:'( Please help me....? (7 points) 2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. Answer: (11 points) 3. A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 ...
*October 22, 2012 by Gabriella*

**AP physics**

Lucy is using a programmable treadmill. She inputs a top speed into the treadmill and presses "start." The treadmill accelerates from rest at 0.100 m/s2 until it reaches that speed, after which it stays at that constant speed. Later, when she is getting tired, she hits the "...
*October 1, 2012 by Philip*

**Algebra**

A.Driving from El Paso to San Antonia on a bus ...560 miles traveling at avg speed of 60 miles per hr how do I make a graph with the time & distance. B. have to estimate distance bus tvls in 2 hrs...2 3/4 hrs...3.5 hrs...7.25 hrs.. C.need to describe in words a rule you can ...
*August 27, 2012 by Carolyn*

**home work**

Suppose Lynette ride her bicycle due south at a rate of 16 miles per hour.If the wind blowing due west at 4 miles per hours ,what is the resultant velocity and direction of the bicycle?
*September 5, 2010 by Nancy L*

**math**

1. Which situation is not a function? a) the number of days d below freezing each month b) the total cost of an item that costs x dollars with 7% sales tax c) the number of miles driven at a constant speed of 45 miles per hour after x hours d) the total cost of n tickets that ...
*April 15, 2012 by Hayley*

**math**

if Tom is driving 64 kilometers/hour what is his speed in miles/hour?
*January 23, 2013 by Charles*

**Algebra Help**

A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 miles at a certain rate; traffic then increased and for the next 6 miles he averaged 10 miles per hour less than his original speed; then traffic eased up and he traveled the ...
*October 25, 2013 by Jane*

**algebra**

While preparing for a kayak race, Marta practiced on a local river. On one trip she traveled 3.5 miles upstream in 50 minutes with the return trip taking 22.9 minutes. What was her speed in still water and the sped of the river current?
*February 8, 2012 by jon*

**math help**

Tony is driving to Denver. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes), as shown in the figure below. Tony has 67 miles to his destination after 35 minutes of driving, and he has 55.6 miles to his ...
*March 20, 2010 by Anonymous*

**algebra**

On Monday, Voltaire drove to town at 60 miles per hour. On Tuesday, he drove to town at 40 miles per hour. If the totaling traveling time for both trips was 15 hours, how far was it to town? I know distance=(rate)(time).so I set it up like this...x=distance X/(60)(15) + x/(40...
*December 11, 2007 by Anthony*

**Math**

I skakeboard 5 blocks west abd 8 miles north to get to my friend's house. Each block is 1/8 in length. How far does it take me to travel in a round trip to my friend's house? A mile is 5,280 feet and 1/8 mile is 660 feet. I am thinking 8 x 660 =5,280 or 1 mile and 5 x660 =3300...
*January 8, 2009 by Joy*

**math**

At 9:30 A.M. Andrew left Exeter for Portsmouth, cycling at 12 miles per hour At 10:00 A.M. Stacy left Portsmouth for Exeter, cycling at 16 miles pewr hour. The distance from Exeter to Portsmouth is 20 miles. At what time did they meet?
*November 23, 2007 by Julie*

**chemistry**

a car covers a distance of 200 mile in 3 hours. How many kilometers will it travel in 25.0 minutes? first, convert the 200 miles to km. I get about 320 km. Then, convert the hours to min....I get about 180 min. so you know speed in km/min....divide the distance in km by the ...
*June 10, 2007 by Brooke*

**Physics**

Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. When you increase your speed by 7.0 mi/h, the time to go one mile decreases by 14 s. What was your original speed? Please explain me step by step
*January 12, 2015 by Big boss1*

**Management accounting**

Andre has a hair styling business with five workers that are paid $9.90 per hour,they work 40-hour per week and 50 weeks a year.Rent is $1,750 per month, hair shampooing is .40 per client, haircuts unit price is $12. Andre needs your help in finding the following information. ...
*May 25, 2007 by please help !!!*

**math **

what rule relating time and distance can help me calculate the traveled for 950 miles in bus at 60 miles per hour? d=60-t t=60d t=60+d d=60t
*January 30, 2011 by monserrate*

**math**

A furniture store offers a free delivery services to all points within a 7-mile radius. If a customer lives 7 miles east and 1 mile south, how far do they live from the 7-mile boundary?
*January 18, 2012 by Anonymous*

**math**

Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.
*July 5, 2013 by Monica*