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Mathematics 25 Online
OpenStudy (anonymous):

Medal will be given! One person can do a certain job in ten minutes, and another person can do the same job in fifteen minutes. How many minutes will they take to do the job together? If x represents how many minutes to do the job together, then how much of the job does the slowest person do? A. x/15 B. x/10 C. 15/x

OpenStudy (anonymous):

Hmm I think A.

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