Question

A painter takes 13 hours to paint 3 rooms. how long will it take the painter to paint 9 rooms

Answer 1

39 hours

Explanation:

13h = 3 rooms

3 x 3 = 9

13 x 3 = 3 x 3

39h = 9 rooms

Answer 2

9 rooms / 3 rooms = 3

It will take him 3 times as long.

13 hours x 3 = 39 hours

answer: 39 hours