Sunday

December 21, 2014

December 21, 2014

Number of results: 16,358

**English**

Can you please tell me if all the sentences are grammatically correct? 1) Yesterday something really funny and unusual happened to me at the swimming pool 2) I was swimming when I saw a guy that was climbing the diving board's stairs (?). It was very convincing and he jumped ...
*January 22, 2010 by Franco*

**math**

The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?
*November 30, 2008 by heidi*

**c**

A hose can fill a swimming pool in 4 hours. Another hose needs 9 more hours to fill the pool than the two hoses combined. How long would it take the second hose to fill the pool?
*September 16, 2014 by Anonymous*

**Physics**

The atmospheric pressure above a swimming pool changes from 755 to 765mm of mercury.The bottom of the speed is a 12m x 24m rectangle.By how much does the force on the bottom of the pool increase?
*March 3, 2012 by Scibe*

**Math**

Martin wants to make a scatter plot comparing the temperature outside with the number of people at the city swimming pool. Which of the following trends would most likely represent the data? A/There is no relationship between the temperature and the number of people at the ...
*June 26, 2013 by Sidney*

**Math**

A rectangular livestock pen with THREE SIDES of fencing is to be built against the barn. The fencing is 1050ft long. Find the dimensions of the maximum area that can be enclosed. What is the maximum area?
*April 23, 2013 by Tom*

**math**

Three water pipes are used to fill a swimming pool. The 1st pipe alone takes 8 hours to fill the pool, the 2nd pipe alone takes 12 hours to fill the pool, and the 3rd pipe takes 24 hours to fill the pool. If all 3 pipes are opened at the same time, how long will it take all 3 ...
*May 26, 2011 by bob*

**math**

A contactor is making preparations to re-tile the border around a swimming pool. The pool measures 60 feet by 30 feet. The border extends 1 foot from each side of the edge of the pool. The contractor is going to use that are 0.25 feet squared. A case of tiles contains 50 tiles...
*February 29, 2012 by Kelsey*

**Math**

The Smiths have a pool that is 20 feet by 35 feet. A 5 foot wide deck completely surrounds the pool. The average depth of the pool = 6 feet. How much surface area is covered by the proposed pool deck?
*June 14, 2012 by Leo*

**Calculus - Optimization **

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material $4 per foot. The material for the fourth side costs $12 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be...
*November 17, 2013 by Jess*

**Math**

I need some help with this problem please!! your parents are installing a rectangular in-ground pool with the dimensions 24 feet by 10 feet. They decide to place a walkway around the pool 3 feet wide. What is the area of the proposed walkway? Answers: a.) 240 square feet b.) ...
*April 23, 2012 by Taylor Leigh*

**Math**

This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?
*October 26, 2009 by Elizabeth*

**algebra 2**

A swimming pool in the shape of an ellipse is modeled by x^2/324+y^2/196=1, where x and y are measured in feet. Find the shortest distance (in feet) across the center of the pool? i think its 28 feet....
*April 27, 2012 by sam*

**Science PHYSICS**

Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into pool and to start ...
*April 27, 2010 by Alice*

**Chemistry**

A home swimming pool contains 145 m3 of water. At the beginning of the swimming season, the water must be heated from 20 to 32°C. How many joules of heat energy must be supplied?
*October 23, 2014 by Kales*

**Chemistry**

A home swimming pool contains 145 m3 of water. At the beginning of the swimming season, the water must be heated from 20 to 32°C. How many joules of heat energy must be supplied?
*October 23, 2014 by Kales*

**english**

1. Rewrite sentences using the Passive They’re going to open the sports complex next week. The sports complex... The USA manufacture a lot of sports equipment A lot of sports equipment... They’re building some tennis courts in the park. Some tennis courts... Johnson wrote a ...
*March 29, 2009 by Joan*

**Math**

I cant figure out this problem. A pool is rectangular in shape, with a half-circle at one end. The length is 80 feet; the width is 30 feet; depth is 4ft the half-circle is appended to one of the thirty-foot sides, so that end is curved. Find the surface area of the pool.
*September 25, 2007 by Amy*

**Geometry**

I need to know how to work this problem: A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? 78 ft 78 ft2 198 ft 198 ft2
*September 18, 2014 by Sandra*

**Algebra**

HELP!!! Super confused. Here's the problem. Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She told him that 1 ...
*November 9, 2012 by Sam*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by Happy Face-PLZ HELP!!*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by Happy Face-PLZ HELP!!*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by PLEASE HELP ASAP!!!!!!!!!!!*

**Physics**

A swimming pool has dimensions 26 m x 32 m and a flat bottom. When the pool is filled to a depth of 3 m with fresh water, what is the total force due to the water on the bottom?
*March 13, 2014 by Paul*

**Math**

Ted swimming in the middle lane of a pool he races to his father 3 lanes away( in the end lane) , how many lanes does the pool have?
*January 31, 2013 by Anonymous *

**Math**

Pool tables are rectangular, and their length is twice the width. Find the dimensions of a pool table if it occupies 162 ft2 of floor space
*September 28, 2012 by Tiff*

**Physics**

Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of water 4m deep and 1m^3 in cross-sectional area? B)What is the mass of this column of water? C)What is the weight of this column of water in newtons...
*April 24, 2012 by Sara*

**chemistry**

A thimbleful of water at 100 deg C has a higher temp than a swimming pool full of water at 20 deg C, but the pool has more thermal energy than the thimble. Explain why this is possbile?
*April 26, 2010 by lala*

**Physics**

Spiderman is standing on the edge of a rooftop 100m above a swimming pool. He decides to jump in to cool off, so he springs out at a velocity of 30 m/s at an angle of 35 degrees above the horizontal. The near edge pool is located 127 m from the base of the building. It is a ...
*October 13, 2014 by Jamie*

**Math**

A swimming pool is 50 meters long. If I swim 60 lengths of the pool each day for one week (7 days) how many kilometers did I swim? Would the answer be 1050km? 50m * .05km * 60 *7 = 1050km
*January 21, 2009 by Tyler*

**Math**

Freshman math question, super confused! Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She told him that 1 length ...
*November 9, 2012 by Anon*

**calculus**

my circular swimming pool has a 29 foot diameter and is 8 feet tall. at the beginning of the summer i need to fill the pool with water. the flow rate from my spigot into the pool is about 0.75 cubic feet per minute. how fast is the water level, h, rising at the moment when the...
*October 16, 2011 by Mindy*

**math**

The team practices in a pool that is 20 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...
*January 16, 2014 by Anonymous*

**Physics**

Harry and Hermione look from their balcony to a swimming pool below that is 12.0 m from the bottom of their building. They estimate the balcony is 30.0 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is your answer? Enter m...
*January 22, 2013 by Robert*

**physics**

Student wants to jump from their 3rd floor apartment window to the swimming pool below. The base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running horizontally to make sure they make it to the ...
*September 27, 2014 by Iworlock*

**College Geometry**

A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?
*September 11, 2011 by Rachael*

**PHYS**

the water in a swimming pool transfers 1.09 x 10^10 J of energy as heat to the cool night air. If the temp of the water, which has a specific heat capacity of 4186 J/kg x °C, decreases by 5.0°C, what is the mass of the water in the pool?
*November 1, 2009 by arriell*

**math**

A pool of water with surface area of 0.6 hectares has a uniform depth of 3 metres.A pipe drains water in the pool at the rate of 200 litres per second.How much hours does it take to empty the pool?
*August 19, 2011 by Charles*

**Physics**

An Olympic swimming pool is roughly 45m long and 33m wide and 5m deep. How long will it take to fill such a pool with a regular garden hose? **estimation question, give an estimate of flow rate of hose.
*September 18, 2013 by Anonymous*

**physics**

when you dive from atop a tall flagpole into a swimming pool below. His potential energy at the top is 14000 J (relative to the surface of the pool).What is his kinetic energy when his potential energy reduces to 1000 J?
*March 3, 2012 by Mrs G*

**math**

i am confused with this question. what do i need to use in order to solve this question? eliza must fence in a pool area net to a concession stand with 25 m of fencing? what was the dimensions which will maximize the pool area?
*September 9, 2007 by dan*

**math**

Mr. Forrester has a swimming pool that measures 3 1/3 yards by 8 yards. If the deck around the pool is 2 2/3 yards wide, what is the outside perimeter of the deck?
*April 14, 2011 by Marie*

**physics **

A 750-N physics student carries a 4.0 meter board, uniform in shape, and 190 newtons in weight to our swimming pool. The student then places the board on the deck and next to the pool in such a way so 1.5 meters of the board extends out over the edge of the pool. How far, in ...
*November 3, 2014 by Anonymous*

**fdr**

a rectangular fence is constructed that will enclose 100 ft sq of land. three sides will be built from fencing that costs 10 dollars per foot and the 4th side will be built from fencing that costs 23 dollars per foot. find the dimensions of the rectangular fence that minimizes...
*May 19, 2014 by iqra*

**Algebra**

One pipe can fill a swimming pool in 8 hours. Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?
*May 24, 2010 by TinaG*

**Precalculus**

A swimming pool is 3 feet deep in the shallow end. The bottom of the pool has a steady downward drop of 12 degrees toward the deep end. If the pool is 50 feet long, how deep is the deep end. So I said that first you would subtract three from 50, of course giving you 47, then, ...
*March 2, 2009 by Ms. Suzie*

**Physics**

A 5/8 inch (inside) diameter garden hose is used to fill a round swimming pool 7.3m in diameter.How long will it take to fill the pool to a depth of 1.0m if water issues from the hose at a speed of 0.50m/s ?
*November 5, 2012 by Jokella *

**physics**

An swimmer of mass m is at a swimming pool. She climbs the steps to the diving board 4.0 m above the water. She jumps off the board, which enables her to rise a further 0.7 m before she begins her descent into the pool. At what speed does she enter the water? Due 5 jan 2013
*January 2, 2014 by Alaina*

**math**

Mr. Harrison has a very large backyard. He contacted the Clover Pool Company to have a pool installed in the shape of a rectangle. The Clover Pool Company would build a pool that has a perimeter of 72 yards. Mr. Harrison would be allowed to choose the dimensions (length and ...
*December 28, 2009 by nana*

**algerbra**

the perimeter rectangular pool is 160 meterss . The length of the pool is 20 meters . what is the length ?
*November 30, 2012 by Anonymous*

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 1.5 h, a swimmer makes exactly 83 laps in a swimming pool that is 27 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*September 2, 2011 by Kayla*

**math please help Ms.Sue**

The team practices in a pool that is 25 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...
*January 16, 2014 by Anonymous*

**geometry**

A swimming pool is 30 feet wide and 60 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?
*December 1, 2011 by Anonymous*

**physics**

how does sound travel I a swimming pool
*September 12, 2014 by rainbow*

**MATH**

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming pool with a side ...
*March 20, 2011 by Josh*

**MATH**

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming pool with a side ...
*March 20, 2011 by Josh*

**Physics**

Harry jumps horizontally from the top of a building that is 20.0 m high. He hopes to reach a swimming pool that is at the bottom of the building, 14 m horizontally from the edge the building. If he is to reach the pool, what must his jumping speed be?
*November 2, 2010 by Mallory*

**Trigonometry**

1. Brothers Bob and Tom buy a tent that has a center pole of 6.25 feet high. If the sides of the tent are supposed to make a 50deg angle with the ground, how wide is the tent? 2. A swimming pool is 30 meters long and 12 meters wide. The bottom of the pool is slanted so that ...
*December 14, 2013 by Marie Ashley*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer makes exactly 29 laps in a swimming pool that is 23 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*August 26, 2012 by gin*

**Math**

The number of gallons of water remaining in a swimming pool t minutes after the drains are opened and the pool begins emptying is give given by the function f(x)=40t^2-3000t+40,000gallons. Exactly 2 minutes after the drains are opened, the pool was emptying at an instantaneous...
*February 23, 2013 by Chase*

**math**

The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?
*May 12, 2014 by annie*

**DIFF CALCULUS**

A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at ¼ cubic meter per minute, and there is 1 meter of water at the deep end. a. What percent of the pool is filled? b. At ...
*October 18, 2014 by JR*

**math**

A rectangular room has an area of 120ft squared. Marge drew a scale drawing of the pool using the scale 1.5cm=2ft. What was the area of the scale drawing? a) 213.3cm2 b) 67.5cm2 c)53.3cm2 d)1.5cm2 I don't think any of the choices match the answer (90cm2)?
*April 2, 2013 by pitigoiu*

**algebra 2**

Minnie and Steve have arectangular swimming pool that is 12 ft. wide and 20 feet long. They are going to build a tile border of uniform width around the pool. They have 160 sq. ft. of tile. How wide should the border be?
*May 22, 2012 by Carolyn*

**Math **

The number of gallons of water remaining in a swimming pool t minutes after the drains are opened and the pool begins emptying is give given by the function f(x)=40t^2-3000t+40,000 gallons. Between 3 and 5 minutes after the drains were opened, the pool emptied at an average ...
*February 23, 2013 by Chase*

**math**

a swimming pool is 60ft long and 35ft wide. a model of the pool is 9in.long.how wide is the model? A)3.25 B)4.25 c)5.25 d)6.25
*January 15, 2010 by makeeda*

**MaTh**

Michal has 42 identical cubical blocks, each one with an edge of 1 cm. From all of these blocks, he built a rectangular prism with a base perimeter equal to 18 cm. What is the height of the prism which he built?
*September 24, 2012 by meepolo*

**Engineering maths**

A rectengular swimming pool 30m long and 22m wide is made.And a deck of the uniform width is made around the pool,and only 480m^2 deck is made,HOW WIDE SHOULD THE DECK BE?
*August 17, 2014 by Makeki*

**math **

A rectangular animal pen will be built using 200 meters of fencing. If one side of the rectangle is meters, find the area of then pen.
*November 19, 2010 by Shauna *

**Math**

A rectangular plot of land is 4 meters longer than it is wide. It's surrounded by a multicolored walk 1 m wide. The area of the walk is 32 m. What are the dimensions of the pool?
*November 23, 2008 by Ana*

**Physics**

2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is used to empty the pool. There are two pipes coming out the pump: one is submerged into water has a radius r1 = 4 cm the other has a radius r2 = 2.5 ...
*April 13, 2012 by Sean*

**Physics**

Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool enough, he threw ice ...
*November 20, 2010 by BG*

**math 10c**

one lap in the swimming pool is 50m. how many yards is that!
*May 23, 2013 by charlene*

**Math**

1. A three-sided fence is to be built next to a straight section of river, which forms the fourth side of a rectangular region. The enclosed area is to equal 1800 ft2. Find the minimum perimeter and the dimensions of the corresponding enclosure.
*December 17, 2014 by Amna*

**CALCULUS**

Hi guys can you help me! Please teach me step by step.. I really need it. pls! Thank you......... A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at ¼ cubic meter per ...
*October 17, 2014 by Jane*

**calculus**

1.Ruth has 240 feet of fencing available to enclose a rectangular field. Express the area A of the rectangular field as a function x, where x is the length of the field. 2. For what value of x is the area largest? 3. What is the maximum area?
*June 20, 2013 by tiffany*

**math**

a rectangular security area is enclosed with 200 ft of fencing. if this rectangular area is arranged so that the ratio of the length to the width is 5/3, find the dimensions.
*March 26, 2012 by alan *

**Mathematics Blue**

A person is trying to fill her new swimming pool for the first time. Water is flowing into the pool at a constant rate of 30 liters/min. Unfortunately there is a hole and a crack in the pool from which water is leaking. Water is leaking out of the hole at a rate proportional ...
*October 10, 2012 by Blueberry P*

**English**

Can you please check these sentences for me? Thank you. 1) If I won 2 million Euros at the lottery, I would transfer part of the money on(to) my bank account and invest it (in state bonds/government securities) 2)I would buy myself a house in the mountains and one at the ...
*March 21, 2011 by Mike*

**physics**

if u have swam one lap in a swimming pool, that means from one end to the other and back. In 3.5 h, a swimmer makes exactly 60 laps in the pool, that is 40 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swimmer's average ...
*January 14, 2014 by Bre *

**Spanish**

Is this correct? I like going to the swimming pool. Tengo gusto de ir a la piscina.
*June 28, 2008 by Anonymous*

**physics**

What is the total force on the bottom of a swimming pool 20.5 m by 8.0 m whose uniform depth is 2.1 m?
*November 29, 2011 by bill*

**Math**

Which customary unit is most reasonable to measure the capacity of a swimming pool?
*December 5, 2012 by Aaliyah *

**Math (shown work, please help check)**

Miss B. built a vegetable garden in her backyard. Her rectangular garden was 11m by 9m. Every morning she would notice carrots missing from her garden! In order to keep Bugs Bunny from eating all her carrots, she built a fence surrounding them. This fence had a total perimeter...
*February 28, 2012 by Kevin*

**math**

If a swimming pool that has a diameter of 40 feet and a height of 5 feet can be filled in 50 minutes, how long will it take to fill a pool that has a diameter of 36 feet and a height of 6 feet?
*February 4, 2011 by corinne*

**4th grade**

Mr. Kimball has a swimming pool that measures 20 feet long by 15 feet wide. He is adding a walkway around the pool that is 3 feet wide all around. What will be the perimeter of the walkway?
*April 19, 2010 by Kiara*

**Math - just need answer checked**

Miss B. built a vegetable garden in her backyard. Her rectangular garden was 11m by 9m. Every morning she would notice carrots missing from her garden! In order to keep Bugs Bunny from eating all her carrots, she built a fence surrounding them. This fence had a total perimeter...
*February 28, 2012 by Kevin*

**Algebra**

A rectangular box with the volume 320 cu ft is built with a square base and a square top. The cost is $1.50/sg ft for the bottom, $2.50/sq ft for the sides and $1.00/sq ft for the top. Let x=the lenth of the base in feet. Express the cost of the box as a function of x. Where ...
*January 26, 2007 by Heidi*

**Algebra**

The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck
*June 10, 2013 by Jenna*

**Basic Physics**

If a swimming pool has dimensions; 28.2 5m x 10.0m x 2.30m, when it is full of water, what is the force on the bottom ?
*December 18, 2012 by Pam*

**Math**

Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.
*March 10, 2014 by Gavin*

**English**

1. He built a house with straw. 2. He built a house with straws. 3. He built a house with wood. 4. He built a house with woods. 5. He built a house with brick. 6. He built a house with bricks. (Which one is right? Do I have to use a singular form or plural form? Can we use '...
*August 30, 2009 by John*

**Math**

A 10m by 20m pool is to be surrounded by a deck of uniform width. The area of the deck is twice the area of the pool, what is the width of the deck?
*May 26, 2014 by Lorrie*

**Math**

1. A gardener has 140 feet of fencing to fence in a rectangular vegetable garden. Find the dimensions of the largest area he can fence. Find the possible rectangular area he can enclose. 2. Suppose a farmer has a large piece of land and he wants to make a rectangular fence for...
*August 13, 2014 by Regina*

**Physics**

1. The water pressure in a kitchen faucet is 3.43 x 10^5 N/m^2. How high above the faucet is the surface of the water in the storage tank? 2. A swimming pool 8.0 m x 15.0 m has a uniform depth of 2.0 m. Determine the total force and the absolute pressure on the bottom of the ...
*September 3, 2014 by Reborn*

**English**

Hi, i would like to ask How was Gatsby killed? He was floating in the swimming pool and George Wilson shot him but where
*March 27, 2010 by Ameena*

**PHYHICS**

why does the water in a swimming pool look more shallow from the outside than when you step in? Explain this phenomenon
*August 30, 2012 by BIREN*

**english**

I need 12 vivid verbs for the following words: lake, river, ocean, swimming pool.
*September 11, 2012 by Lynn*

**Physics**

Using a swimming pool, two students decide to test the water by setting up an interference pattern at one end of the 50 m pool. They sit 2.0 m apart and create waves by tapping their right foot, in phase with each other, onto the water at a frequency of 1.0 Hz. The speed of ...
*May 10, 2012 by Asif *

**Calculus**

A swimming pool is 60ft long by 25ft wide. Its depth varies uniformly from 3ft at the shallow end to 15ft at the deep end. The pool is being filled with water at a rate of 800ft3/min. There is 5ft of water at the deep end. What is the equation for finding the rate at which the...
*December 20, 2012 by Lost*

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