Question

Can someone walk me through how to setup/ do this problem

Answer 1

7 or 8 hours is ha answer.

Explanation:

7 or 8 hours is the answer.

Doubt 7 or 8 hours is the answer.

.

Answer 2

11.25

Explanation:

Simple ratio:

9 hours/4 workers= x hours/ 5 workers

Cross multiply:

9×5=4x

45=4x

x=45/4=11.25