Algebra - Work and Time
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There are 630 dishes that need to be rinsed. John can rinse them in 105 Minutes by himself. It will take his friend Bob 70 minutes to rinse these dishes. How long will it take them it they rinse these 630 dishes together (see attachment)
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The following posting answers questions about multiple rates. A Complete, Neat and Step-by-step Solution is provided.
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John's one-minute work = 1/105
Bob's one-minute work = 1/70
Combined one-minute work of ...
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