SOLUTION: Eric can rake the leaves in his yard in 8 hours. Eric and Mark together can rake the leaves in 3 hours. How long will it take Mark to rake the leaves alone?

SOLUTION: Eric can rake the leaves in his yard in 8 hours. Eric and Mark together can rake the leaves in 3 hours. How long will it take Mark to rake the leaves alone?

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Question 455502: Eric can rake the leaves in his yard in 8 hours. Eric and Mark together can rake the leaves in 3 hours. How long will it take Mark to rake the leaves alone?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
1/3-1/8=1/t
8/24-3/24=1/t
5/24=1/t
5t=24
t=24/5
It takes Mark 24/5 hours to rake the leaves alone..
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