If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 10 m ?

If 72 men can build a wall of 280 m length in 21 days, how many men co

1.	If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 10 m ?
A.	0
B.	0
C.	8
D.	8
Answer» B. 0