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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 904515: jones can plough his field with his tractor in 4 hours. if he uses his manual plough, it takes 3 times as long to plough the same field. one day after working with the tractor for 2 hours, he ran out of gas and had to finish with the manual plough. how long did it take to complete this job after the tractor ran out of gas
Click here to see answer by richwmiller(17219)  |
Question 904650: Daniel and Falko use hoses from both houses to fillDaniel's pool. They know it takes 18 hours using both hoses. They also know that Daniel's hose used alone, takes 20% less time thank Falko's hose alone. How much time is required to fill the pool by each hose alone?
Click here to see answer by richwmiller(17219)  |
Question 904943: Can someone please help me solve this?
Two surveyors with two-way radios leave the same point at 9:00 A.M., one walking due south at 3 mi/hr and the other due west at 4 mi/hr. How long can they communicate with one another if each radio has a maximum range of 7 miles?
Click here to see answer by richwmiller(17219)  |
Question 905005: you and your apprentice paint walls at a constant pace. you can paint a wall in 8 hours while your apprentice can paint the same wall in 12 hours. you and your apprentice start painting the wall at 10:30 am. at what time will the wall be completed? explain why?
Click here to see answer by ewatrrr(24785)  |
Question 905371: When Mike uses a riding mower, it takes him 3 hours to mow his lawn. When he uses a push mower it takes him 6 hours to mow the lawn. (His sister can also mow the lawn in 6 hours with the push mower). Mike wanted to get the lawn mowed as quickly as possible, so he paid his sister $10 to mow with the push mower while he used the riding mower. How long will it take Mike and his sister to mow the lawn if they work together?
Click here to see answer by ewatrrr(24785)  |
Question 905754: In order to remove water from a flooded basement, two pumps, each rated at 40 gallons per
minute, are used. After half an hour, the one pump burns out, and the second pump finishes
removing the water half an hour later. How many gallons of water were removed from the
basement?
Click here to see answer by josgarithmetic(39613) |
Question 906027: Hi, I'm terrible at math word problems. Can you answer this? With work shown?
Ok so there at two pipes to the bathtub. You turn the first pipe on and the bathtub fills in 5 mins. You empty the bathtub. The you turn pipe number 2 on and it takes 7 mins to fill up. Then you empty the bathtub and turn both pipes on. How long does it take to fill up the bathtub? I need to know buy 12:00 tonight please.
Click here to see answer by Alan3354(69443)  |
Question 906025: It takes Ralph 14 hours to paint a fence alone. Lisa can do the same job in 18 hours. If Ralph paints alone for 45 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction.
Click here to see answer by richwmiller(17219)  |
Question 906025: It takes Ralph 14 hours to paint a fence alone. Lisa can do the same job in 18 hours. If Ralph paints alone for 45 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction.
Click here to see answer by lwsshak3(11628) |
Question 906033: TWINS, DANIEL AND GRACE, TAKE TURNS MOWING THE LAWN. LAST WEEK GRACE MOWED THE LAWN IN 45 MINUTES, THIS WEEK DANIEL MOWED THE LAWN IN 40 MINUTES. WHAT IS THE AVERAGE MOWING RATE PER HOUR PER TWIN
THANK YOU SO MUCH!!!!!
Click here to see answer by josmiceli(19441)  |
Question 906274: Jessie and Mark are planning to paint a house together. Jessie thinks that if he works alone, it would take him 5 hours more than the time Mark takes a paint the entire house. working together, they can complete the job in 6 hours.
1. If Mark can finish the job in m hours, how long will it take Jessie to finish the job?
Click here to see answer by Edwin McCravy(20054)  |
Question 903179: One afternoon your family goes out to pick strawberries for jam. At 1:00 pm, you have 3 quarts. You finished picking at 3:00 pm and have 24 quarts of strawberries. At what average rate was your family picking? Answer in quarts/hours
Click here to see answer by Edwin McCravy(20054)  |
Question 906351: Working alone, it takes Jake 5 minutes longer to wash the dishes than it takes Mary when she washes the dishes alone. Washing the dishes together, Jake and Mary can finish the job in 6 minutes. How long does it take Mary to wash dishes by herself?
Click here to see answer by richwmiller(17219)  |
Question 906390: It takes Ralph 10 hours to paint a fence alone. Lisa can do the same job in 14 hours. If Ralph paints alone for 30 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction
Click here to see answer by richwmiller(17219)  |
Question 906431: It takes Ralph 10 hours to paint a fence alone. Lisa can do the same job in 13 hours. If Ralph paints alone for 35 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction.
Click here to see answer by richwmiller(17219)  |
Question 906444: It takes Austin 10 hours to paint a fence alone. Ashley can do the same job in 13 hours. If Austin paints alone for 35 minutes before Ashley begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction. I have looked at similar problems and their solutions but i still cant get the right answer for my problem.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 906444: It takes Austin 10 hours to paint a fence alone. Ashley can do the same job in 13 hours. If Austin paints alone for 35 minutes before Ashley begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction. I have looked at similar problems and their solutions but i still cant get the right answer for my problem.
Click here to see answer by richwmiller(17219)  |
Question 906517: It takes Ralph 5 hours to paint a fence alone. Lisa can do the same job in 10 hours. If Ralph paints alone for 45 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction.
Click here to see answer by richwmiller(17219)  |
Question 906641: Helen and Angela started biking at the same time on opposite ends of a 61-km trail. The rate that Helen rode her bike exceeded the rate that Angela rode her bike by 3. At the end of 2 hours, they were still 6 km apart. Find Helen's rate.
Click here to see answer by richwmiller(17219)  |
Question 906861: Jessie and Mark are planning to paint a house together. Jessie thinks that if he works alone, it would take him 5 hours more than the time Mark takes a paint the entire house. working together, they can complete the job in 6 hours.
1. what equation represents the situation?
2. how long would it take Jessie and Mark if each work alone in painting the entire house?
Click here to see answer by josmiceli(19441)  |
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