Question

It takes 23 minutes for 6people to paint 6 walls.

How many minutes does it take 9people to paint 9walls

Answer 1

It would take 9 people 34.5 minutes to paint 9 walls.

23 divided by 6 equals 3.83. That is how many minutes it takes one person to paint one wall. Multiply 3.83 by 9 and you get your answer, 34.5 minutes.