Carpenter A makes 1 chair in 6 hours, Carpenter B makes 1 chair in 7 hours and Carpenter C makes 1 chair in 8 hours. If each Carpenter works 8 hours per day, how many chairs will be made in 21 days?

Carpenter A makes 1 chair in 6 hours, Carpenter B makes 1 chair in 7 h

1.	Carpenter A makes 1 chair in 6 hours, Carpenter B makes 1 chair in 7 hours and Carpenter C makes 1 chair in 8 hours. If each Carpenter works 8 hours per day, how many chairs will be made in 21 days?
A.	64
B.	69
C.	73
D.	78
Answer» D. 78

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Carpenter A makes 1 chair in 6 hours, Carpenter B makes 1 chair in 7 hours and Carpenter C makes 1 chair in 8 hours. If each Carpenter works 8 hours per day, how many chairs will be made in 21 days?

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