Question

2 painters paint 2 rooms in 2 hrs. How many painters will paint 18 rooms in 6 hrs

Answer 1

use unitary method

Answer 2

4 man hours for 2 rooms means 2 man hours per room.


18 rooms require 36 man hours. 36 man hours divided by 6 hours means 6 painters are needed.
6 painters can paint 18 rooms in 6 hours. and thats it