Question

If 15 workers can build a wall in 48 hours, how many workers will be

required to do the same work in 30 hours?

Answer 1

24 workers

Explanation:

solution

A wall can be built in 48 hrs by = 15 workers

A wall can be built in 1 hr by = 15× 48 workers

A wall can be built in 30 hrs by= 15 × 48/ 30 workers

= 24 workers