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math

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If Julie bought 8 T-shirts, she would be short $28. If she bought 4 T-shirts and 3 baseball hats, she would have $17 left. If each hat cost $5, how much money did she have in the beginning?

  • math -

    Suppose Julie has j dollars.
    The price of a t-shirt is t dollars
    The price of a hat is h dollars


    8t = j + 28
    4t + 3h = j - 17
    h=5, so,

    8t - j = 28
    4t -j = -32

    4t = 60
    t = 15
    j = 92

    So, Julie has $92
    8 T-shirts cost $120, so she's $28 short
    4 T's + 3 hats = $75, so she has $17 extra

  • math -

    46

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