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

Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)

Question 314515: A pool can be filled with water in 10 hours Draining the pool requires 20 hours If the pool is empty and the drain is open how much time will be needed to fill the pool? 10,15, or 20 hours?
Click here to see answer by nerdybill(7008)

Question 314858: It takes 6 men 4 days to mow a park. How long will it take 8 men to mow the park?
Click here to see answer by CharlesG2(828)

Question 315079: Sam can paint a house in 4 hours, John can paint the same house in 6 hours. How long will it take for both of them to paint the house together?
Click here to see answer by Alan3354(31528)

Question 315087: Judie can clean her room in 60 minutes if her sister can help her, it takes them 36 minutes to complete the job working together. How long does it take her sister to clean the room alone?
Click here to see answer by nyc_function(2733)

Question 315312: Two college students have started their own business building computers from kits. Working alone, one student can build a computer in 20 hours. When the second student helps, they can build a computer in 7.5 hours. How long would it take the second student, working alone, to build the computer.
Click here to see answer by nerdybill(7008)

Question 315317: Three machines are filling water bottles. The machines can fill the daily quota of water bottles in 12 hours, 15 hours and 20 hours respectively. How long would it take to fill the daily quota of water bottles with all three machines working together.
Click here to see answer by checkley77(12569)

Question 315536: Jack usually mows his lawn in 3 hours. Marilyn can mow the same yard in 5 hours. How much time would it take for them to mow the lawn together?

Click here to see answer by stanbon(57967)

Question 315630: I have a pool that fills in 12 hrs and drains in 25 hrs. If both filling and draining at the same time, how long will it take to fill? I come up with negative 300/13 and I'm pretty sure it can't be a negative. How do I figure this?
Click here to see answer by stanbon(57967)

Question 315857: Jack usually mows his lawn in 5 hours. Marilyn can mow the same yard in 4 hours. How much time would it take for them to mow together?
Click here to see answer by mananth(12270)

Question 315892: Three workers are named X ,Y,and Z. Suppose that together X and Y and can do a job in 4 hours, X and Z can do it in 6 hours, and X,Y and Z can do the job in 3 hours. How many hours will Y alone need to do the job?
A) 6hrs B) 8hrs C) 10 hrs D) 12 hrs
Click here to see answer by Earlsdon(6294)

Question 316175: Jim can fill a pool carrying buckets of water in 30 minutes. sue can do the same job in 45 minutes. tony can do the same job in 1 1/2 hours. how quickly can all three fill the pool together?
Click here to see answer by mananth(12270)

Question 316243: If it takes 4 workers 15 months to build 10 houses. How many months will it take 3 workers to build 4 houses? They work at the same rate.
Click here to see answer by vleith(2825)

Question 316289: Sinem and Ekin leave the same point driving in opposite direction. Ekin's rate 12km/h more than Sinem's rate. After three hours they are 360km apart. Find the rate of each.
Click here to see answer by checkley77(12569)

Question 316430: there are 5 men working for 24 hours for 5 days to complete a brick wall. how many days can one man complete the same job if he only works for 8 hours a day?
my answer was 75 but i was told that it was wrong. can you help? thanks!
Click here to see answer by Alan3354(31528)

Question 316290: Murat walks from his home to school at 6km/h and gets a ride back home at 44km/h. If his total travelling time is half an hour, how long did it take Murat to walk to school and how far was it?
Click here to see answer by Fombitz(13828)

Question 291658: Two pipes are pumping water into a 1200 gallon well. If the first pipe can pump water at the rate of 48 gallons per hour and the second pipe can pump water at the rate of 192 gallons per hour, in how many hours will the well be filled?
Please, do not include units (hours) in your answer.
Click here to see answer by nismor34(1)

Question 317883: Marge worked 3 times as many hours as Sue. They worked a total of 32 hours. How many hours did Sue work?
Click here to see answer by mananth(12270)

Question 317971: stacey travels 3 times faster than Gloria. Traveling in opposite directions, they are 420 miles apart after 5 hours. Find their rates of trale.
Stacey speed_____mph,Gloria speed___mph
Click here to see answer by josmiceli(9817)

Question 318543: At the swimming pool certain pipe can fill it in 5 hours another pipe can fill it in 2 hours a third pipe can empty it in 6 hours with all 3 pipes turned on how much time would it take to fill?
Click here to see answer by Edwin McCravy(8999)

Question 318673: A gallon drum is filled in 3 mins. what's the rate in gallons per minute.
Click here to see answer by stanbon(57967)

Question 318673: A gallon drum is filled in 3 mins. what's the rate in gallons per minute.
Click here to see answer by Edwin McCravy(8999)

Question 318778: Suppose that m people can do a task in d days. Assuming that they all work at the same rate,how many days will it take for m + r people to do the task?
Click here to see answer by mananth(12270)

Question 318747: Pipe A can fill a tank in 4 hrs. If pipe B works alone, it takes 3 hrs longer to fill the tank than if both pipes work together. How long will it take for pipe B to fill the tank if it works alone?

Click here to see answer by Fombitz(13828)

Question 318978: A and B can do a piece of work in 40/3 days. A alone can do the work in 20 days. How long will B take it??
Click here to see answer by mananth(12270)

Question 319005: A can do a work in 32 days and B in 40 days. they work together for 10 days and then B left. In how many days A will finish the work.
Click here to see answer by edjones(7569)

Question 319389: if 'a' can do a job in 4hrs and 'b' can do it in 6hrs, how long will it take if both do it together. and the eqaution to figure it out. ty
Click here to see answer by josmiceli(9817)

Question 319407: Solve the problem. One packet of seeds can plant 4 rows of petunias. How many packets of seeds would be needed to plant 28 rows of petunias? Show your step by step work! Include correct units with your solution.
Click here to see answer by rfer(12730)

Question 319439: If Melanie can complete 6 forms in 15 minutes, how long will it take her
to complete 30 forms?
(A) 12 minutes
(B) 60 minutes
(C) 75 minutes
(D) 120 minutes
I tried to do cross multiplying. I got was 12 minutes. But the key say it was 75 minutes.
Click here to see answer by josmiceli(9817)

Question 319479: Sarah can paint a house in 6 days and John can paint that same huse in 4 days, how long will it take them both to paint that house working together?
Click here to see answer by stanbon(57967)

Question 319874: How long will it take 20 machines to complete a task, given that it takes 12 days for 5 machines to complete the same task?
Click here to see answer by rfer(12730)

Question 320156: Milo and Shamika working together can wash all the windows of their house in 3 hours. Shamika can do it alone in 8 hours. If Shamika cannot help Milo how long would it take milo to the job when he has to do it all by himself?

Click here to see answer by CharlesG2(828)

Question 320458: A company has a machine that can complete a job in 6 hours. With the help of a newer machine, the job can be completed in 2 hours. How long would the new machine take to do the job alone?
Click here to see answer by checkley77(12569)

Question 321135: Steve can mix 20 drinks in 5 minutes. Sue can mix 20 drinks in 10 minutes and Jack can mix 20 drinks in 15 minutes. How long for all 3 working together to mix the 20 drinks?
Click here to see answer by solver91311(17077)

Question 321164: Helen earns $7.50 an hour at her job, but if she works more than 35 hours in a week she is paid 1.5 times her regular salary for the overtime hours worked. One week her gross pay was $352.50. How many overtime hours did she work that week?
Click here to see answer by stanbon(57967)

Question 321294: Dixie can paint a room in 3 hours working alone. Trixie can paint the same room in 6 hours working alone. How long after Dixie starts to paint the room will it be finished if Trixie joins her 1 hour later?
Click here to see answer by mananth(12270)

Question 321571: if one outlet pipe can drain a tank in 24 hours while a second outlet pipe can drain the same tank in 36 hours, how long will it take to drain the tank if both pipes are open?
Click here to see answer by mananth(12270)

Question 321410: 1) A silversmith has two alloys, one containing 30% silver and the other,55%. How much of each should be melted and combined to obtain 100 grams containing 45% silver?
2) A cellular phone company charges customers a certain amount for the first minute of a long distance call and an additional amount for each suceeding ...minute. A customer makes two calls to the same city, a 33-minute call for Php 269 and a 19-minute for Php 157. How much does the cellular phone company charge for the first minute? for each succeding minute?
3) A swimming pool can be filled by three water pipes, A,B and C. Pipe C alone can fill the pool in 8 hours. If pipes B and C are used together, the pool can be filled in 6 hours. If pipes A and B are used together, it takes 10 hours. How long does it take to fill the pool if all three pipes are used?
i need ur help!
Click here to see answer by ankor@dixie-net.com(15746)

Question 321967: A small cooler can cool room 10 degrees in 90 minutes . a larger cooler can cool the room 10 degrees in 60 minutes. how long would it take to cool the room 10 degrees if both coolers were working ?
a 30 minutes b 36 minutes c 45 minutes d 50 minutes
Click here to see answer by mananth(12270)

Question 322403: two brothers are digging a drainage ditch for a french drain around there home. the ditch is to be 2 feet deep,1 foot wide and 40 feet long. the older brother can dig the ditch in 14 hours. the younger brother can dig the ditch in 17 hours. how long will the two brothers take if they both work together take to dig the ditch?
Click here to see answer by solver91311(17077)

Question 322437: There is tank that holds 400 gallons of water. You've got one pipe that can fill it up in 15 minutes. Another pipe can empty it in 40 minutes. If both pipes are open at the same time, how long does it take to fill the tank?
Click here to see answer by ptaylor(2052)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735