Helen and Sergey must cut down a row of trees. Helen can cut down the entire row
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Helen and Sergey must cut down a row of trees. Helen can cut down the entire row in 3 hours, and Sergey can cut down the entire row in 7 hours. If they simultaneously start cutting trees, each starting at one end of the row and working towards each other, what fraction of the trees will Sergey have cut at the time they meet?
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1014 Practice Questions For The New GRE
ISBN: 9780375429682
2nd Edition
Authors: The Princeton Review
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