If Dev can make 40 chairs in 20 days, working 10 hours per day then in how many days can he make 10 chairs working 8 hours per day?

If Dev can make 40 chairs in 20 days, working 10 hours per day then in

1.	If Dev can make 40 chairs in 20 days, working 10 hours per day then in how many days can he make 10 chairs working 8 hours per day?
A.	\(7\frac{1}{2}\)
B.	\(6\frac{1}{4}\)
C.	8
D.	6
Answer» C. 8

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If Dev can make 40 chairs in 20 days, working 10 hours per day then in how many days can he make 10 chairs working 8 hours per day?

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