It takes Jack 11 hours to pick 40 bushels of apples alone. Jill can pick 40 bushels of apples in 9 hours. How long will it take Jack and Jil

Question

It takes Jack 11 hours to pick 40 bushels of apples alone. Jill can pick 40 bushels of apples in 9 hours. How long will it take Jack and Jill to pick 40 bushels of apples together. Round to the nearest hour.

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Hải Đăng 4 years 2021-08-27T12:54:53+00:00 1 Answers 16 views 0

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  1. sori
    0
    2021-08-27T12:56:37+00:00
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    Answer:

    5 hours

    Step-by-step explanation:

    Jack 40/11 = 3.64 bushels per hour

    Jill 40/9 = 4.44 bushels per hour

    together they pick 3.64 + 4.44 = 8.08 bushels per hour

    40/8.08 = 4.95 hours

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