Math

Miss Emily spent 5/9 of her money on 10 stuffed bears and 5 dolls. She could buy 20 stuffed bears with the rest of her money. What was the ratio of the cost of a doll to the cost of the stuffed bear?

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  1. If she started with x dollars,

    4/9 x = 20b
    x = 45b

    10b + 5d = 5/9 x

    We want the ratio d/b. So,

    10b + 5d = 5/9 * 45b
    10b + 5d = 25b
    5d = 15b
    d/b = 3

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    posted by Steve

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