Question

A painter can paint a house in 12 hours, Another painter can paint the same house in 8 hours. How long would it take the two painters working together to paint this house?

Answer 1

24/5 hours

Explanation:

First painter: 12 hr

Second painter: 8 hr

1/12+1/8=1/x

2x+3x=24

x=24/5 hours