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23 May, 05:28

The tech club is selling cookies and brownies at the swim meet to raise money for next year's activities. If cookies sell for $0.50 and brownies sell for $0.75, what combinations of treats need to be sold to raise $100?

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  1. 23 May, 08:54
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    Cookies=x

    brownies=y

    .5x+.75y=100

    .5x=100-.75y

    x=200-1.5y

    400-3y+.75y=100

    -2.25y=-300

    y=133.333

    x=0
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