If 20 men can build a wall 56 meters long in 6 days , what length of a similar wall can be built by 35 men in 3 days?
A. 46
B. 48
C. 49
D. 47
Answer:C
If 20 men can build a wall 56 meters long in 6 days , what length of a similar wall can be built by 35 men in 3 days?
A. 46 B. 48 C. 49 D. 47