Question

2 men and 7 boys can do a piece of work in 4 days the same work is done on 3 days by 4men and 4 boys how long would it take for 1man and 1boy to do it

Answer 1

Let, 1Men = x and 1Boy =y

According to the first condition,

2x + 7y = 4

According to the second condition,

4x + 4y = 3

Solving both the equations,

we get, 1x + 1y = 1/2

1/2 that is half day.

Hope it will help you...

Answer 2

Answer:

24

Step-by-step explanation:

hope it's helpful...........