If Jerry can finish a task in 5 minutes by himself, and Adam can do it in 10 minutes alone, how long will it take Adam to finish the remaining work after Jerry has worked for 3 minutes?

Correct answer marked below

A

1 minute

B

2 minutes

C

3 minutes

4 minutes

Correct

E

5 minutes

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D

DebraSep 25, 2024

Good question

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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