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 x 45 minutes = 180 minutes total to paint 5 walls

180/5 = 36 minutes of man work per wall

36 * 4 walls = 144 total minutes

144/6 people = 24 minutes total