Question

15 boys are needed to build a wall in 40 days how many boys are required to build the wall in 30 days​

Answer 1

Step-by-step explanation:

40 days = 15 boys

1 day = 15/40 = 3/8

therefore,

30 days = 3/8 × 30

= 11.1/4 boys or 11.25boys