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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 1081114: Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 35 liters per minute. There are 500 liters in the pond to start.
Let W represent the amount of water in the pond (in liters) and let T represent the number of minutes that water has been added. Write an equation relating W to T, and then graph your equation.
Click here to see answer by math_helper(2461)   |
Question 1081541: A steel company has three blast furnaces of varying sizes. If furnaces A,B, and C are used full time, 800 metric tons of steel produced per day. If A and B are used half time while C at full time, 545 metric tons are produced. If A is not used, B as full time, and C as half-time, 410 metric tons are produced. How many metric tons per day does each furnace produce?
Click here to see answer by ikleyn(52754)  |
Question 1081540: A swimming pool holds 54 cubic meters of water. It can be drained at a rate of one cubic meter minute faster than it can be filled. If it takes 9 minutes longer to fill it than to drain it, find the drainage rate.
Click here to see answer by ikleyn(52754) |
Question 1081555: Two truck drivers are hired to haul a pile of rubble away from a fight the two trucks have load capacities of 4.5 tons and 11 tons between the two trucks there were 28 trips made in 204 tons hauled away how many trips did each truck make
Click here to see answer by addingup(3677)  |
Question 1081555: Two truck drivers are hired to haul a pile of rubble away from a fight the two trucks have load capacities of 4.5 tons and 11 tons between the two trucks there were 28 trips made in 204 tons hauled away how many trips did each truck make
Click here to see answer by Fombitz(32388)  |
Question 1082136: Eight men can excavate 15 cubic meters of drainage canal in 7 hours. Three men can backfill 10 cubic meters in 4 hours. How long will it take for the 10 men to excavate and backfill 20 cubic meters in the project?
Click here to see answer by ikleyn(52754) |
Question 1082134: A certain job can be done by 72 men in 100 days. There were 80 men at the start of the project, there were 30 of them were fired at nth day. So if the workforce of the remaining men are to finish the job by 70 days. Find the nth day the lost men were fired.
Click here to see answer by jorel1380(3719)  |
Question 23843: Next door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know it takes 18 hours using both houses. They also know that Bob's hose, used alone, takes 20% less time than Jim's hose alone. How much time is required to fill the pool by each hose alone?
Thanks for your help!
Dan
Click here to see answer by adamhen894(15) |
Question 23843: Next door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know it takes 18 hours using both houses. They also know that Bob's hose, used alone, takes 20% less time than Jim's hose alone. How much time is required to fill the pool by each hose alone?
Thanks for your help!
Dan
Click here to see answer by josgarithmetic(39613) |
Question 23843: Next door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know it takes 18 hours using both houses. They also know that Bob's hose, used alone, takes 20% less time than Jim's hose alone. How much time is required to fill the pool by each hose alone?
Thanks for your help!
Dan
Click here to see answer by ikleyn(52754) |
Question 1083621: Greg and Joan are trying to decide whether to take on a job that is scheduled to take them 8 days to complete if they work together. The problem is, that while this is a very well paying job, they have only 8 days of vacation and they don’t wish to spend the whole vacation working. But they do need the money. . . To their joy, Brenda said that she could use some extra income too, and she’d like to join them in the job. Assuming the friends all work at the same rate, how much time will the job take all three friends to complete if they work together?
Click here to see answer by josgarithmetic(39613) |
Question 1083622: Greg and Joan are trying to decide whether to take on a job that is scheduled to take them 8 days to complete if they work together. The problem is, that while this is a very well paying job, they have only 8 days of vacation and they don’t wish to spend the whole vacation working. But they do need the money. . . To their joy, Brenda said that she could use some extra income too, and she’d like to join them in the job. Assuming the friends all work at the same rate, how much time will the job take all three friends to complete if they work together?
Click here to see answer by josmiceli(19441)  |
Question 1083622: Greg and Joan are trying to decide whether to take on a job that is scheduled to take them 8 days to complete if they work together. The problem is, that while this is a very well paying job, they have only 8 days of vacation and they don’t wish to spend the whole vacation working. But they do need the money. . . To their joy, Brenda said that she could use some extra income too, and she’d like to join them in the job. Assuming the friends all work at the same rate, how much time will the job take all three friends to complete if they work together?
Click here to see answer by Boreal(15235)  |
Question 1083622: Greg and Joan are trying to decide whether to take on a job that is scheduled to take them 8 days to complete if they work together. The problem is, that while this is a very well paying job, they have only 8 days of vacation and they don’t wish to spend the whole vacation working. But they do need the money. . . To their joy, Brenda said that she could use some extra income too, and she’d like to join them in the job. Assuming the friends all work at the same rate, how much time will the job take all three friends to complete if they work together?
Click here to see answer by MathTherapy(10549)  |
Question 1083857: At a fixed temperature, the resistance R of a wire varies directly as the length 1 and inversely as the square of its diameter d. If the resistance is 1.2 ohm when the diameter is 1 mm and the length is 240 cm, what is the resistance when the diameter is 3 mm and the length is 610 cm?
Click here to see answer by Theo(13342)  |
Question 1083857: At a fixed temperature, the resistance R of a wire varies directly as the length 1 and inversely as the square of its diameter d. If the resistance is 1.2 ohm when the diameter is 1 mm and the length is 240 cm, what is the resistance when the diameter is 3 mm and the length is 610 cm?
Click here to see answer by MathTherapy(10549) |
Question 1084024: Charlotte can finish her paper route in two hours. When Ralph helps, they finished in 45 minutes. How long would it take Ralph working alone?
I would really appreciate if this was answered asap. It's due tomorrow. Thanks!
Click here to see answer by josmiceli(19441) |
Question 1084206: Another event at super challenge day is the lawn mower derby. Team members try to mow a standard sized lawn as quickly as possible. Terri and Candace can mow the lawn in 18min. If it takes Candace 30min to mow a lawn alone, how long does it take Terri to mow the lawn alone?
Click here to see answer by Theo(13342) |
Question 1084206: Another event at super challenge day is the lawn mower derby. Team members try to mow a standard sized lawn as quickly as possible. Terri and Candace can mow the lawn in 18min. If it takes Candace 30min to mow a lawn alone, how long does it take Terri to mow the lawn alone?
Click here to see answer by ikleyn(52754) |
Question 1084562: Joe and Ann rode their tandem bike uphill for 6 miles at a speed of 10 miles per hour. They rode back down along the same route at a rate of 15 miles per hour. What was their aver- age speed and how long were they riding?
Click here to see answer by jorel1380(3719) |
Question 1084590: Javier and Bobby are rolling the pennies in their penny jar. Javier can make 4 rolls in 10 minutes and Bobby can make 9 rolls in 15 minutes.
(a) Working together, how long will it take them to roll $50 worth of pennies? (Penny rolls have 50¢ per roll.)
76 problem solving in mathematics
(b) If it takes them 31 hours to roll all of the pennies, how much 2
money do they have?
Click here to see answer by josgarithmetic(39613) |
Question 1084879: Betty and Karen have been hired to paint the house in the new development. Working together the women can paint a house in two-thirds the time it takes Karen working alone. Betty takes 12 hours to paint a house alone. How long does it take Karen to paint a house working alone?
Click here to see answer by jorel1380(3719) |
Question 1085187: If a rock is thrown upwards with an initial velocity of 25 m/s from a cliff
that is 5 m above the ground, where h denotes height and t denotes time.
The equatin given for this relation is h = -6 t2 + 24t+5
a. How high is the rock after 3 seconds?
b. When will the rock reach a height of 29 m?
c. When will the rock reach the ground?
Click here to see answer by jorel1380(3719) |
Question 1085187: If a rock is thrown upwards with an initial velocity of 25 m/s from a cliff
that is 5 m above the ground, where h denotes height and t denotes time.
The equatin given for this relation is h = -6 t2 + 24t+5
a. How high is the rock after 3 seconds?
b. When will the rock reach a height of 29 m?
c. When will the rock reach the ground?
Click here to see answer by ikleyn(52754) |
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