Math

laura spent 20 percent of her money on a dress. she spent 2/5 of the remainder on a book. she had $72 left. how much money did she have at first?

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  1. after dress she has 4/5 of her money left

    after book would have left (3/5)(4/5) or 12/25 of her money left

    so (12/25)x = 72
    x = 150

    I will leave it up to your to check my answer

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