Questions on Word Problems: Rate of work, PAINTING, Pool Filling answered by real tutors!

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Question 564144: A pond is being drained by a pump. After 3 hours, the pond is half empty. A second pump is put into operation, and together the two pumps finish emptying the pond in half an hour. How long would it take the second pump to drain the pond if it had to do the same job alone.
Click here to see answer by mananth(16946)

Question 564582: I need to find out the formula to find out how many minutes it would take to mow an area of grass at the rate of 3 square feet per second? Thanks I have to have it in tonight to put in as computer code. Thanks again.
Click here to see answer by Alan3354(69443)

Question 564995: Twin brothers, Billy and Bobby, can mow their grandparents lawn together in 89 minutes. Billy could mow the lawn in 30 minutes less time than it would take Bobby. How long would it take Bobby to mow by himself?
Click here to see answer by ad_alta(240)

Question 565231: Al, Sy, and Ed together can create a web page in 4 hrs. Al can create the webpage in 12 hrs and Sy can do it in 14 hrs. How many hrs would it take Ed to make the webpage alone ?
Click here to see answer by solver91311(24713)

Question 565498: a water-tank can be filled by any combination of three different taps. with the smallest tap the tank can be filled in 20 minutes.with the middle tap the tank can be filled in 12 minutes.with the largest tap the tank can be filled in 5 minutes.how long does it take with all three taps running?

Click here to see answer by scott8148(6628)

Question 565507: An automatic pitching machine can pitch all its balls in 1 1/4 hours. One attendant working working 3 1/2 hours can retrieve all the balls pitched by one machine. How many attendants working at the same rate should be hired so that the balls from 10 machines are all retrieved in 8 hours.
Click here to see answer by ankor@dixie-net.com(22740)

Question 565478: Left on together, the cold and hot water faucets of a certain buthtub take 7 minutes to fill the tub. If it takes the cold water faucet 17 minutes to fill the tub by itself, how long will it take the hot water faucet to fill the tub on its own? Do not do any rounding.
Click here to see answer by ankor@dixie-net.com(22740)

Question 565902: in 2 min a belt moves 300 lbs. a smaller belt moves the same amount the same distance in 6 mins. if both belts r used how long will it take to move the cans?

Click here to see answer by stanbon(75887)

Question 565958: A painter paints a wall in x hours, so the fraction of the wall that she paints in 8 hours is
Click here to see answer by KMST(5328)

Question 566089: One dran can empty pool in 20 hours, another in 25. If both drains work, how long to empty pool?
Click here to see answer by ptaylor(2198)

Question 566530: When Tim and John work together they can mow their entire lawn in 4 hours and 36 minutes. John can mow the entire lawn by himself in 9 hours. How long will it take Tim to mow the entire lawn by himself?
Click here to see answer by josmiceli(19441)

Question 566734: A pipe is leaking at the rate of 8 fluid ounces per minute. How many gallons is the pipe leaking per hour?
Click here to see answer by Alan3354(69443)

Question 567449: 4 painters can paint a house in 3 days, at this rate, how many houses can 6 painters paint in 6 days?
Click here to see answer by josmiceli(19441)

Question 567310: A can finish the work in 6 days less than the time taken by B to finish the work.If both of them together can finish it in 4 days, then find the time taken by B alone to finish the workA can finish the work in 6 days less than the time taken by B to finish the work.If both of them together can finish it in 4 days, then find the time taken by B alone to finish the work
Click here to see answer by ankor@dixie-net.com(22740)

Question 567455: Fred shovels one sidewalk in four minutes, and John shovels one sidewalk in three minutes. How long will it take them to shovel a sidewalk if they work together?
Click here to see answer by nyc_function(2741)

Question 567857: A painter can paint a kitchen in 12 hours. An apprentice can paint the same kitchen in 36 hours. If they worked together, how long would it take them to paint the kitchen?
Click here to see answer by mananth(16946)

Question 568937: If a wall was built by 4 men and 2 women in 5 days
how many days it will take to built by 3 men and 1 women?
Click here to see answer by bucky(2189)

Question 568937: If a wall was built by 4 men and 2 women in 5 days
how many days it will take to built by 3 men and 1 women?
Click here to see answer by Theo(13342)

Question 569234: Carlos can strip a hardwood floor in 3 hours, agnew can strip the same area in 6 hours how long wuld it take the two workers working together?
Click here to see answer by stanbon(75887)

Question 569583: if it takes 3 hours to paint a 100 sq ft wall, how long does it take per sq foot?
Click here to see answer by nerdybill(7384)

Question 569591: It take you 2 min to wash a window, and takes your friend 3 minutes to wash a window. How long does it take the two of you to wash 25 windows if you work together?
Click here to see answer by nerdybill(7384)

Question 569785: A water tank can be filled by any combination of 3 different taps . With the smallest tap the tank can be filled in 20 mins. With the middle tap the tank can be filled in 12 mins. With the largest tap the tank can be filled in 5 minutes .How long does it take to fill the tank with all 3 taps running ?
Explain your reasoning.

Click here to see answer by AnlytcPhil(1806)

Question 570223: A pool owner is trying to fill his pool. The pump takes 6 hrs. A garden hose takes 10 hours. He wants to fill it up in a hurry. So he turns on the pump AND puts in the garden hose. Unfortunately, he leaves the drain open (which will drain the pool in 8 hours). How long will it take to fill the pool?
Click here to see answer by nerdybill(7384)

Question 570716: Jane can paint a 12 by 12 foot wall in 3/4 of an hour. How long will it take her to paint a 15 by 16 feet?
Click here to see answer by josmiceli(19441)

Question 570872: Two cylindrical cans have the same volume. The height of one can is triple the height of the other. If the radius of the narrower can is 12 units, how many units are in the length of the radius of the wider can. I drew a picture to represent the 2 cans. I know that volume of can a=volume of can b. I know the height of can a=3b. I know the radius of can a is 12 units. I know the volume of a cylinder is pi (r)squared (h). I don't know what to do next.
Click here to see answer by scott8148(6628)

Question 571033: A square vegetable garden is to be tilled and then enclosed with a fence. If the fence costs $2.50 per foot and the cost of preparing the soil is $0.60 per ft2, determine the size of the garden that can be enclosed for $257.60.
Click here to see answer by josmiceli(19441)

Question 571098: 8 men can dig 168 ft in 7 hours, 3 men can backfill 120 ft in 4 hours; in how many hours can 5 men can dig and backfill 300 ft.?
Click here to see answer by stanbon(75887)

Question 571158: Susan delivers 108 newspapers in 90 minutes. Stan delivers the same number of newspaper 120 minutes. which of the following formula would allow you to determine the time required to deliver the newspapers by both Susan and Stan working together
Click here to see answer by lwsshak3(11628)

Question 571269: How much water should I evaporate from 10 liters of 3% salt solution if I want a solution containing 5% salt?
Click here to see answer by scott8148(6628)

Question 571268: Mary can finish an embroidery work in 10 days. After working for 3 days, Mary's cousin joined and together they finished the embroidery in another 4 1/2 days. How many days can Mary's cousin finish the work alone?
Click here to see answer by scott8148(6628)

Question 571266: A swimmming pool can be filled up by pipes A and B in 3 hours and 35 minutes. If pipe A can fill the pool in 6 1/2 hours, how long can pipe B fill it alone?
Click here to see answer by lwsshak3(11628)

Question 571472: A swimming pool can be filled up by pipes A and B in 3 hours and 35 minuted. If pipe A can fill the pool in 6 1/2 hours, how long can pipe B fill it alone?
Click here to see answer by ankor@dixie-net.com(22740)

Question 572099: A farmer drives a tractor from one town to another, a distance of 130 kilometers. He drives 9 kilometers per hour faster on the return trip, cutting 1 hour off the time. How fast does he drive each way?
Click here to see answer by nyc_function(2741)

Question 572652: Jcobo delivers twice as many papers as Dahlia, who delivers 100 more papers than Rashid. If all together 500 paper are delivered, how many papers does each child deliver?
Click here to see answer by josmiceli(19441)

Question 573479: "there were 39,000 people at a ball game the day's receipts were $276,000 how many people paid $14 for reserved seats and how many paid $5 for general admission?"
Click here to see answer by mananth(16946)

Question 573666: A tank can be filled using hose A alone in 3 hours, using hoses A and B together in 72 minutes, and using hoses A, B and C together in 40 minutes. How many minutes will it take to fill the same tank using only hose C?
Click here to see answer by ankor@dixie-net.com(22740)

Question 574566: the time between a flash of lighting and the sound of thunder is 9 seconds. How far away is the lighting
Click here to see answer by Alan3354(69443)

Question 574428: A tank can be filled by a pipe A in 3 hours and by pipe B in 5 hours. When the tank is full, it can be drained by pipe C in 4 hours. If the tank is initially empty and all three are open, how many hours will it take to fill up the tank?
Click here to see answer by ankor@dixie-net.com(22740)

Question 574758: 3 identical pumps,empty a large storage tank in 15hrs.How long will it take 21 such pumps to empty the same storage tank?
Click here to see answer by ad_alta(240)

Question 574909: If 5 girls and 2 boys work together they can paint a house in a day. Three girls and 6 boys working together can also paint the house in a day. How long would it take one boy to paint the house by himself?
Click here to see answer by stanbon(75887)

Question 574910: Oil flows through a pipe at a rate of 40m/s. How long will it take to fill a tank of volume 1.2�〖10〗^5 m^3?
ans: for 1second it is 40m. then for 1.2�[10]^5 m^3=40� 1.2�[10]^ 1.2�[10]^5
=4.8�[10]^6. is this the correct answer?
Click here to see answer by josmiceli(19441)

Question 575860: Judy Started work at 8:30 a.m. She worked for 8 3/4 hours. What time did she finish work???? And can u do this like right now ....
Click here to see answer by jim_thompson5910(35256)

Question 575909: You have a rectangular pool that is 20 ft by 10 ft and a depth of 8ft. How do I solve and find out how much water you need to fill the pool? Also i would like to know how I can use pythagoreans theorem to solve it.
Click here to see answer by ankor@dixie-net.com(22740)

Question 576037: An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two workers to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task working alone. It takes William 3 hours longer than Timothy to paint a 4x 5 feet bedroom. Respond to the following:
1.Working together, both can complete the job in 2 hours. How long does it take each one to complete the painting job working alone?
Click here to see answer by stanbon(75887)

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