Question

It takes 45 minutes for 4 people to paint 5 walls

How many minutes does it take 6 people to paint 4 walls?

Answer 1

4 people paint 5 walls in 45 min.

4 people paint 1 wall in 9 min.

4 people paint 4 walls in 36 min.

6 people paint 4 walls in 27 min.