If 3 men or 6 boys can do a piece of work in 10 days , working 7 hours a day ; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day ? Options: A . &nbsp7 B . &nbsp \(7\frac{1}{2}\) C . &nbsp8 D . &nbsp \(8\frac{1}{2}\)

If 3 men or 6 boys can do a piece of work in 10 days , working 7 hours

Question

If 3 men or 6 boys can do a piece of work in 10 days , working 7 hours a day ; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day ?

Options:

A . 7

B . \(7\frac{1}{2}\)

C . 8

D . \(8\frac{1}{2}\)

Answer: Option B

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