Question

If 20 men can build a wall 56 metres long in 6-daysWhat length of a similar wall can be built by 35 men in 3 days?

Answer 1

The required length is 49 m.

Answer 2

`49`

Explanation:

`(7)/(4x2) =(x)/(56)`

`8x=392`

Divide 8 on both sides.

`x=49`

Hope this helps :)