Question

2 man and three boy can do a piece of work in 10 days while 3 men and two boy can do the same work in 8 days.in how many day can 2 men and 1 boy can do the work

Answer 1

please mark it as a brainliest answer

Answer 2

Answer:

Let m men can complete the job on their own and B boys can complete the work.

So ..

..(i)

...

...(ii)

Subtract i from ii..

..

...

Or b=20*5=100..

Substitute in i to get value of m..

..

..

..

We are looking for ..

So time taken=100/8=12.5..