Question

If Todd can paint 2/3 of a wall in 1 1⁄2 hours, what is his painting rate in hours per wall?

Answer 1

Divide the hours by the walls, and you’ll have hours per wall.

(1 1/2) / (2/3)
= (1 1/2) * (3/2)
= (3/2) * (3/2)
= 9/4

He paints at 9/4 hours per wall.