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

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Question 848717: If a worker can wash all the glass windows of a building in 9 days, what part of the job cansaid workers finish in 6 days?
Click here to see answer by jim_thompson5910(35256)

Question 848965: if it takes 6 roofers 2 days to put on a new roof, how long would it take 4 roofers to do the same job, assuming they each work at the same rate?
Click here to see answer by richwmiller(17219)

Question 848718: If a worker can wash all the glass windows of a building in 9 days, what part of the job can said worker finish in 6 days?
Click here to see answer by richwmiller(17219)

Question 848344: A,B,C can complete a work in 2 hours . if A does the job alone in 6 hours and B in 5 hours , how long will it take for C to do the job alone
Click here to see answer by richwmiller(17219)

Question 848897: Stan paints twice as fast as Daniel. Working together, Stan and Daniel can paint 2,400 square feet in 4 hours. Another employee, Roger, joined their painting and together, Stan, Daniel & Sue can paint 3,600 square feet in 3 hours.
If Roger works alone, how many square feet can he paint in 4 hours and 27 minutes?
Click here to see answer by richwmiller(17219)

Question 848992: If 10 men or 20 women or 40 children can do a piece of work in 7 months,
then 5 men 5 women 5 children together can do half of work in?
Click here to see answer by richwmiller(17219)

Question 846382: John drives 60 miles to his destination at an average speed of 40 mph and makes the return trip at an average speed of 30 mph. What was his average speed for the entire trip?
Click here to see answer by richwmiller(17219)

Question 849093: Hello-
I have a question that I solved but I am not sure if I got the correct answer. The problem is: If two painters can finish painting a house in 7 hours, and it takes the slower painter 19 hours by himself, how long would it take the faster painter to finish the house.
Here is what I did: Let f=faster painter hours and s=slower painter hours. I have 1/f + 1/s = 1/7. But 1/s = 1/19. So 1/f = 1/7 - 1/19 = 12/133. So f= 133/12 which is about 11 hours. Is that correct? If not, please tell me where I went wrong.
Thank you very much!
Click here to see answer by ewatrrr(24785)

Question 849157: Tony and James go to a circular track for an evening exercise. Tony runs 3 meters every second and James runs 4 meters every second. Today Tony plans to run 9 laps and James plans to run 10 laps. Who will reach his goal first if both start to run at the same moment?
Click here to see answer by richwmiller(17219)

Question 845878: A man decides to build a road of 150 km in 300 days an employee 45 men. After 100 days,only 25 km of the road is completed,find how many extra men he needs to employ to finish the work in time
Click here to see answer by richwmiller(17219)

Question 845947: 300 men were engaged to complete a job in a certain number of days. But due to another assignment 15 men dropped the 2nd day , 15 more men dropped the 3rd day and so on. It takes 15 more days to finish the work now. Find number of days in which work is completed
Click here to see answer by richwmiller(17219)

Question 845431: 3 men can finish painting a wall measuring 3m by 2m in 2hours. How long will it takes 5 men working at same rate?
Click here to see answer by richwmiller(17219)

Question 839213: A cistern can be filled by an inlet pipe in 6 hours & emptied by an outlet pipe in 10 hours. After 3 hours the outlet pipe is closed. How much time to fill up the remaining part of the tank?
Click here to see answer by richwmiller(17219)

Question 839210: 10) A tap X and Y can fill up an empty tank in 15 and 12 hours respectively. another tap z can empty the full tank in 8 hours. if all the tap turned together at the same time, in how many hours will the tank be full?
Click here to see answer by richwmiller(17219)

Question 849249: when all the leaves have fallen, a girl can rake the entire yard in 6 hours. when a boy does it alone, it takes him 9 hours. how long would it take them to rake the yard together?
Click here to see answer by richwmiller(17219)

Question 849367: Twenty people working 9 hours per day are needed to complete a large sorting job within ten days. How many hours per day would eighteen people need to have worked to complete the job within the same time?
Click here to see answer by richwmiller(17219)

Question 849348: a father and his son are painting a wall. If they paint together it takes 4 days to complete, but if the father paint it alone, it will be 6 days faster than the son paint it alone. So, what is the time needed for the son to paint the wall alone?
Click here to see answer by richwmiller(17219)

Question 849260: John and Cara, working together, can clean the house in 9 hours. Working alone, Cara takes three times as long as John. How long does it take John to clean the house alone?
Click here to see answer by richwmiller(17219)

Question 849537: Joan can complete a paper route 20 minutes faster than Lisa. If they work together, they can complete the route in 1 hour. How long (in minutes) does it take Joan to complete the rote on her own?
Please show all steps as the 20 minutes may change to 35 mins, 40 mins, etc. every time the homework problem is opened online!
Click here to see answer by richwmiller(17219)

Question 849546: a choclate chip cookie recipe calls for 8 eggs to make 6 dozen cookies. In order to make 15 dozen cookies for a party, how many eggs will be needed?

Click here to see answer by stanbon(75887)

Question 849600: It takes 2 hours for 7 cooks to make the dinner for a wedding party. How long would it take 3 cooks to do the same thing?
Click here to see answer by josgarithmetic(39616)

Question 849600: It takes 2 hours for 7 cooks to make the dinner for a wedding party. How long would it take 3 cooks to do the same thing?
Click here to see answer by ewatrrr(24785)

Question 849764: If you're filling up a land fill 61% slower, how much longer is the land fill going to last?
Click here to see answer by Alan3354(69443)

Question 850050: It takes Ralph 14 hours to paint a fence alone. Lisa can do the same job in 18 hours. If Ralph paints alone for 30 minutes before Lisa begins helping, how long must they work together to finish painting the fence?
Click here to see answer by stanbon(75887)

Question 850049: pthagoras theroem and percentages
a paineter was asked to paint a very high wall. he extended his ladder to 13m and placed it 5 metres away from the base of the wall. if he decided to paint from the top of the wall down calculate the following

a) how high up is the ladder placed?
b) after painting the top 5 metres of the wall, the painter steps down to contract part of the ladder. by how many metres does he need to pack his ladder to be able to reach 5 metres lower than the top of the wall?
c) calculate the percentage of the contracted ladder size over the original ladder size.
Click here to see answer by josgarithmetic(39616)

Question 850089: Pump A can fill a pool in 11 hours and pump B can empty the same pool in 4 hours.While the pool is full, both pumps are accidentally turned on at the same time. How long does it take to empty the pool?
Click here to see answer by josgarithmetic(39616)

Question 850108: If A works alone, he would take 4 days
more to complete the job than if both A
and B worked together. If B worked alone,
he would take 16 days more to complete
the job than if A and B work together.
How many days would they take to
complete the work if both of them worked
together?
Click here to see answer by josmiceli(19441)

Question 850421: 2 painters painted 60 rooms in 1 week. Painter A painted 4 times as fast as painter B. How many rooms painter A painted in 1 week?
Click here to see answer by josmiceli(19441)

Question 850440: considering that the work of a woman and that of a child is respectively 2/3 and 1/3 of a man-day.If a full-man is able to execute an acre of weeding activity in three(3) days,what amount of weeding could be done by two women and a child in the same period on similar environment
Click here to see answer by josmiceli(19441)

Question 850515: If the small pipe fills a pool in 20 minutes and a large pipe fills the same pool within 15 minutes how long will it take if both pipes were used to fill the same pool?
Click here to see answer by josgarithmetic(39616)

Question 850624: If a cube were to be filled with water flowing at a rate of 2 liters per minute, how many minutes would it take to fill it completely?
Click here to see answer by Alan3354(69443)

Question 850678: A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in....
Click here to see answer by josgarithmetic(39616)

Question 850682: Mary works 2.5 times faster than peter.together,they do a job in 12.5 hours.how long does it take mary working alone to do the same job?
Click here to see answer by lwsshak3(11628)

Question 850688: A wind chime manufacturer has a fixed operational costs of $1,200 a month and a unit wholesale cost of $20 for each wind chime sold. If he can sell all the wind chimes he can make at $30 each, how many wind chimes must he sell each month to break even?
Click here to see answer by JulietG(1812)

Question 850681: A machine P can print one math book in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one math book) be finished ?
Click here to see answer by JulietG(1812)

Question 850673: Chad can paint the entire house in twelve hours and jojo takes eight hours.how long it take the two painters together to paint the house?
Click here to see answer by JulietG(1812)

Question 850680: Jennifer takes 4 hours to do a job.john takes 6 hours to do the same job.working together,how many hours will it take them to do the job?
Click here to see answer by JulietG(1812)

Question 850675: One pipe can fill a pool 2 times faster than a second pipe.when both pipes are opened,they fill the pool in ten hours.how long would it take to fill the pool if only the slower pipe is used?
Click here to see answer by hamsanash1981@gmail.com(151)

Question 850679: It takes1.5 for Tim to mow the lawn.linda can mow the same lawn in 2 hours.how long will it take john and Linda,work together to mow the lawn?
Click here to see answer by Cromlix(4381)

Question 850809: Some students washed 24 cars in 2 hours. How many cars can they wash in 15 hours?
Click here to see answer by josmiceli(19441)

Question 850960: Hello :) thank you so much for helping me last time :) i've recommended you to my friends :) can please help me again ? Here's the problem Two pipes, A and B, are used to fill a water tank. The empty tank is filled in 10 hours if the two pipes are used together. If pipe A alon e is used for 6 hours and then turned off, pipe B will take over and finish filling the tank in 18 hours. How long will it take each pipe alone to fill the tank?
Thank you :)
Click here to see answer by Alan3354(69443)

Question 851090: two workers a and b together could finish the work in 8 days.they worked together for six days and a left the work.the remaining work was completed by b alone in 6 days.how many days would each take?
Click here to see answer by josgarithmetic(39616)

Question 851088: 3 man can do in 5 days and 3 women can do it in days how much time required both of them to complete the work
Click here to see answer by JulietG(1812)

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