Question

if 30 men working 7 hours a day can build a wall in 18 days how many mens working 6 hours a day can build the wall in 30 daysby unita
ry method ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Formula

Men1×Days1×Hours1/Work=Men2×Days2×Hours/work

Let the man be=x

30×7×18=x×6×30

x=21