A woman when working with her takes 2 hours to complete the housework, and takes 3 hours when working alone How long would it take the daugh

Question

A woman when working with her takes 2 hours to complete the housework, and takes 3 hours when working alone How long would it take the daughter to complete the housework if working alone?

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Trúc Chi 4 years 2021-08-31T12:31:52+00:00 1 Answers 38 views 0

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  1. danthu
    0
    2021-08-31T12:33:35+00:00
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    I think that it would take the daughter 1 hour

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )