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KatRina [158]
2 years ago
12

Seven men make 21 toys in 30 minutes. How long would it take 21 men?

Mathematics
1 answer:
konstantin123 [22]2 years ago
6 0

Answer:

  10 minutes

Step-by-step explanation:

Assuming men and minutes are interchangeable, 3 times as many men can be assumed to assemble the toys in 1/3 as much time.

21 men can make 21 toys in 30/3 = 10 minutes.

_____

<em>Additional comment</em>

We have to assume there are no rate-limiting steps in the process. This assumption is not always valid.

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