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24-02-2017
Mathematics

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Working alone, shayna can harvest a field in 8 hours. John can harvest the same field in 16 hours. How long would it take them if they worked together?

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Аноним Аноним

25-02-2017

(1/8)x + (1/16)x = 1
(2/16)x + (1/16)x = 1
(3/16)x = 1
x = 16/3 = 5.33333 hrs

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