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David can type a 50 page paper in 8 hours Last month David and Andy together typed a 50 page paper in 6 hours How long would Andy take to type a 50page paper by himself?
Wiki User
∙ 14y ago
24 hours
Wiki User
∙ 14y ago
If David can type a 50-page paper in 8 hours, his typing rate is 50 pages / 8 hours = 6.25 pages per hour. In the case of David and Andy typing together, their combined rate is 50 pages / 6 hours = 8.33 pages per hour. Since David's rate is 6.25 pages per hour, Andy's rate is the difference: 8.33 - 6.25 = 2.08 pages per hour. Therefore, Andy would take 50 pages / 2.08 pages per hour = 24 hours to type a 50-page paper by himself.
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