One roofer can put a new roof on a house three times faster

Last updated: 8/13/2022

One roofer can put a new roof on a house three times faster than another. Working together they can roof a house in 5 days. How many days would it take the faster roofer to put a new roof on a house working alone? Round the answer to the nearest tenth. (Assume the roofs of the houses are similar sizes.) Type your numeric answer and submit O