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