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 262073: One pipe can fill a tank in 6 hours less than another. Together they can fill the tank in 4 hours. How long would it take each alone to fill the tank?
Click here to see answer by richwmiller(17219)

Question 262229: A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blue to complete the contract?
A. 7 B. 8 C. 11 D. 12
Click here to see answer by drk(1908)

Question 262135: Julien can mulch a garden in 20 minutes. Together, Julien and Remy can mulch the same garden in 11 minutes. How long will it take Remy to mulch the garden when working alone?
Click here to see answer by ankor@dixie-net.com(22740)

Question 262698: A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together ?
(a) 3 days (b) 8/9 days (c) 4 days (d) can't say

Click here to see answer by ankor@dixie-net.com(22740)

Question 262898: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
Click here to see answer by nerdybill(7384)

Question 262907: A student receives his grade report from a local community college, but the GPA is smudged. He took the following classes: a 2 hour credit art, a 3 hour credit history, a 4 hour credit science course, a 3 hour credit mathematics course, and a 1 hour science lab. He received a �B� in the art class, an �A� in the history class, a �C� in the science class, a �B� in the mathematics class, and an �A� in the science lab. What was his GPA if the letter grades are based on a 4 point scale? (A=4, B=3, C=2, D=1, F=0)
A. 2.7
B. 2.8
C. 3.0
D. 3.1
E. 3.2

Click here to see answer by drk(1908)

Question 262977: Jun can finish an accounting work in 8 hrs. Leo can finish the same work in 6 hrs. After 2 hours of working together, jun left Leo for lunch and Leo finished the job. How long does it take Leo to finish the job?
Click here to see answer by ptaylor(2198)

Question 262966: If Steven 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 much time will it take all 3 of them working together to mix the 20 drinks?
A. 2 minutes and 44 seconds
B. 2 minutes and 58 seconds
C. 3 minutes and 10 seconds
D. 3 minutes and 26 seconds
E. 4 minutes and 15 seconds

Click here to see answer by ptaylor(2198)

Question 263015: 5. Mary can clean an office complex in 5 hours.Working together John and Mary can clean the office complex in 3.5 hours.How long would it take John to clean the office complex by himself?
6. Working alone,Maria can complete a task in 100 minutes.Nora can complete the same task in two hours.They work together for thirty minutes when Cita,the new employee,joins and begin helping.They finished the task 20 minutes later.How long would it take Cita to complete the task alone?

thank u very very much!

Click here to see answer by richwmiller(17219)

Question 262931: Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?
A. 2 hours
B. 4 � hours
C. 5 � hours
D. 6 hours
E. 7 � hours

Click here to see answer by josmiceli(19441)

Question 263107: 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 � hours. How quickly can all three fill the pool together?
A. 12 minutes
B. 15 minutes
C. 21 minutes
D. 23 minutes
E. 28 minutes

Click here to see answer by richwmiller(17219)

Question 263106: The last week of a month a car dealership sold 12 cars. A new sales promotion came out the first week of the next month and the sold 19 cars that week. What was the percent increase in sales from the last week of the previous month compared to the first week of the next month?
A. 58%
B. 119%
C. 158%
D. 175%
E. 200%

Click here to see answer by josmiceli(19441)

Question 263123: Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together?
Click here to see answer by drk(1908)

Question 263128: Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together?
Click here to see answer by stanbon(75887)

Question 263393: An 8 hp pump can fill a tank in 8 hours. A smaller 3 hp pump fills the same tank in 12 hours. The pumps are used together to begin filling this tank. After four hours, the 8 hp pump breaks down. How long will it take the smaller pump to fill the tank?
Click here to see answer by drk(1908)

Question 263507: A flash of Lightning is seen, and the resulting thunderclap is heard 3 seconds later. If the speed of sound averages 1,100 feet per second, how far away is the storm?

I solved this problem like this: 1100=1 sec
x= 3 sec
1100(3)= 1x
3300=1x
x= 3300 ft away is the storm.
Is this correct?
Click here to see answer by stanbon(75887)

Question 263510: A bank lends out $9000 at 7% simple intrest. At the end of 1 year, how much interest is owed on the lone?

I solved this problem like this: I =PRT
=(9000)(.07) (1)
=630 IS THE INTEREST OWED ON THE LONE AT THE END OF THE YEAR.
Is this answer correct? Please let me know.
Click here to see answer by stanbon(75887)

Question 264353: A painter can finish painting a house in 4 hours. Her assistant takes 6 hours to finish the same job. How long would it take for them to complete the job if they were working together?
Click here to see answer by Ruli(21)

Question 264414: If a painter completes an entire house in 2x hours, then at what rate is she painting?
Click here to see answer by Alan3354(69443)

Question 264416: It takes Mike 6 hours to paint a house. It takes Jim 4 hours to paint the same house. How long will it take them to paint the house together?

Click here to see answer by Alan3354(69443)

Question 264415: Bart can complete his science task twice as quickly as Carl can. When they work together, the task takes 3 hours. How long would it take Carl to do the work alone?
Click here to see answer by stanbon(75887)

Question 264824: please help
an oil tanker can be emptied by the main pump in 4 hours. an auxiliary pump can empty the tanker in 9 hours. if the main pump is started at 9am , when should the auxiliary pump be started so that the tanker is emptied by noon?
Click here to see answer by Theo(13342)

Question 264833: please help
Patrice,by himself, can paint four rooms in 10 hours. if he hire April to help, they can do the same job together in 6 hours. If he lets April work alone, how long will it take her to paint four rooms?
Click here to see answer by ankor@dixie-net.com(22740)

Question 265613: it takes two sisters to shovel their driveway together and it takes them 30 min. one day one of the sisters had to shovel by herself. it took her 40 min. how long will it take the other sister to shovel the driveway by herself
Click here to see answer by solver91311(24713)

Question 266020: Two brothers are digging a drainage ditch for a french drain around their 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 working together take to dig the ditch? (Round your answer to the nearest tenth.)
Click here to see answer by ptaylor(2198)

Question 266485: A new computer can process a company�s monthly payroll in 1 hour less time than the old computer. To really save time, the manager used both computers and finished the payroll in 3 hours. How long would it take the new computer to do the payroll by itself?
Click here to see answer by ptaylor(2198)

Question 266905: John can mow 3 yards in 2 hrs while sally can mow 4yards in 3hrs. Working together, how long would it take them to mow 2 yards?
Click here to see answer by dabanfield(803)

Question 266905: John can mow 3 yards in 2 hrs while sally can mow 4yards in 3hrs. Working together, how long would it take them to mow 2 yards?
Click here to see answer by josmiceli(19441)

Question 267479: 20 men can cut 30 trees in 4 hours. If 4 men leave the job, how
many trees will be cut in 6 hours?
Click here to see answer by ptaylor(2198)

Question 267796: According to a contract, a factory should make 48 tables each day. Instead, they made 2 additional tables each day until the last 3 days of the contract. For the last 3 days they only had to make a total of 100 tables. How many tables was the factory contracted to make?
Click here to see answer by palanisamy(496)

Question 268393: George can do a certain job in 70 minutes while Abe can do the same job in 30 minutes. How long would it take the two workers to do the job if they work together?
Click here to see answer by nerdybill(7384)

Question 268392: Working alone a painter can paint a small apartment in 10 hours. A second painter can paint the same apartment in 15 hours. How long would it take the painters to complete the job if they work together?
Click here to see answer by checkley77(12844)

Question 268391: .A and B can do a piece of work in 12 days,B and C can do it in 15 days and C and A can do
the same work in 20 days. How long would each take to complete the job?
Click here to see answer by ankor@dixie-net.com(22740)

Question 268605: I am having trouble with a work/rate word problem. Once my "table" is set up, I think I can do the math, it's setting up the table that's the problem.
Two oil pipelines can fill a small tank in 30 minutes. Using one of the pipelines would require 45 minutes to fill the tank. How long would it take the second pipeline alone to fill the tank?
I know my rate is activity divided by time. Would love some help :)
Click here to see answer by drk(1908)

Question 268806: 1. If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
A. 5/p
B. p - 5
C. p + 5
D. p/5
E. 1- p + 5
Please explain to me how to solve this.
Click here to see answer by ptaylor(2198)

Question 268933: P can do a piece of work in 9 days. Q is 50% more efficient than P. The number of days it takes: Q to do the same piece of work is
a 13 1/2 b 4 1/2 c 6 d 3 e None of these.ans=a
Click here to see answer by waheed_alli(1)

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