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Two people do a certain amount of work in 24 minutes. One of them can do this alone in 40 minutes. How much time does the second person take to do the same work alone?
Wiki User
∙ 15y ago
1/40 + 1/t = 1/24 1/t = 1/24 - 1/40 = 2/120 1/t = 1/60 t = 60 minutes
Wiki User
∙ 15y ago
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