Question

If it takes4/7 of an hour to paint 2/7 of a room how long does it take to paint one

Answer 1

2 hours

Explanation:

2/7ths of a room x 3.5 = 1 room.

4/7 hours x 3.5 = 14/7 hours.

14/7 hours = 2 hours.

It takes 2 hours to paint one room.