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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.

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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. Howmany 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 submitO

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