Question

Steve can paint a room three times as fast as Billy. When they work together, Steve and Billy can paint a large room in 4 hours. How many hours would it take Billy to paint it by himself?

Answer 1

@ganeshie8

Answer 2

@Lyrae

Answer 3

\[\large \dfrac{1}{x} + \dfrac{3}{x} = \dfrac{1}{4}\]

solve \(\large x\)