Brenda sewed a total of 784 buttons on 90 dresses. She sewed 8 or 12 buttons on each dress. how many dresses have 12 buttons on it?please he

Question

Brenda sewed a total of 784 buttons on 90 dresses. She sewed 8 or 12 buttons on each dress. how many dresses have 12 buttons on it?please help fast​

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Clara 3 months 2022-02-17T19:23:40+00:00 1 Answer 0 views 0

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    2022-02-17T19:25:30+00:00

    The answer is 16
    .
    12x + 8(90-x) = 784
    12x + 720 – 8x = 784
    4x = 64
    x = 16

    16 dresses have 12 buttons

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