Question

8. 7 men and 8 boys can do a piece of work
29
in 2 days. 4 men and 12 boys can do
of
56
the same work in 1 day. In how many days
will I man do this work?
ас​

Answer 1

Answer:

Step-by-step explanation:

7m + 8b =1/2. work in a day-------(1)

4m + 12b=29/56. work in a day-------(2)

Multiply equation (1) by 12

Multiply equation (2) by 8

I. e, 84m + 96 b =6-

32m + 96 b =(29/7)

--------------------------

52m. =(13/7)

m =(13/7) = 1

--------- ----- work in a day

52. 28

A man can do work in 28 days