It takes Darnell twice as long as Julius to complete the same job. When the men work together, they can complete the job in 4 hours.

How many hours are required for Darnell to do the job alone?

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Question

19 November, 20:10

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Answers (2)

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Valentin Melendez · Answer 1

1 = 4/r + 4/2r

multiply each side by 2r

2r = 8 + 4

2r = 12

r = 6

It takes Julius 6 hours to do the job

It takes Darnell 12 hours to do the job

Bennett Ward · Answer 2

It takes Darnell 12 hours to do the job, just took the test

It takes Darnell twice as long as Julius to complete the same job. When the men work together, they can complete the job in 4 hours.How many hours are required for Darnell to do the job alone?Enter your answer in the box.