There are 640 apples in the box if 20% of apples are found to be rotten . How many are good apples ?​

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There are 640 apples in the box if 20% of apples are found to be rotten . How many are good apples ?​

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Farah 4 years 2021-08-16T03:20:03+00:00 1 Answers 18 views 0

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  1. Doris
    0
    2021-08-16T03:21:36+00:00
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    640x.2=128
    640-128=512

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