Mike, Loui, and Joy can mow the lawn in 4, 6 and 7 hours, respectively. What fraction of the yard can they mow in 1 hour if they work together? A. 47/84 C. 84/47 B 45/84 D 39/60

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A: We can find the answer as below.

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A: Please see the below picture for detailed solution.

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