Worker W can create n units in 6 hours. When working simultaneously, Workers V and W can produce n units in 3 hours. How long would it take V alone to produce n units?

Correct answer marked below

A

1 hr 30 min

B

2 hr 15 min

C

2 hr 30 min

D

4 hr

6 hr

Correct

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V

ValerioApr 14, 2024

thanks a lot

What this question tests

Your ability to combine individual work rates, usually by working with the fraction of a job completed per unit of time.

Adding the times instead of the rates, or forgetting to take the reciprocal when combining rates.

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