SOLUTION: 9 men can unload 450kg of good in 2 hours. If after having unloaded 150kg of goods, 5 men were asked to do other jobs. How many more hours are needed for the remaining 4 men to unl

Question 1110375: 9 men can unload 450kg of good in 2 hours. If after having unloaded 150kg of goods, 5 men were asked to do other jobs. How many more hours are needed for the remaining 4 men to unload the rest of the goods?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
r, the rate for one man

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9 men can unload 450kg of good in 2 hours.
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, in kilograms per hour, the ONE-man rate.

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If after having unloaded 150kg of goods, 5 men were asked to do other jobs.
How many more hours are needed for the remaining 4 men to unload the rest of the goods?
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Assuming the one job is still to unload 450 kilograms of goods, and that 9 men unloaded 150 kg, the remaining 4 men still have 300 kg to unload.
x, how many more hours:

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