It takes 41 minutes for 9 people to paint 9 walls.
we need to find the minutes does it take 14 people to paint 14 walls
9 people paints 9 walls
so each person paints one wall
Hence it takes 41 minutes for each person to paint 1 wall
find the minutes does it take 14 people to paint 14 walls
Each person paints one wall
So, it will take 41 minutes for 14 people to paint 14 walls