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Thread: price question

  1. #1
    Oct 2008

    Post price question

    Cindy wants to paint her office. She can buy three cans of the same-priced paint
    and three identical brushes for $21, or she can buy four cans of the same paint
    and one brush for $22. How much does a can of paint cost?
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  2. #2
    MHF Contributor
    Apr 2008
    Set up a system of equations. Let x = the price of a can of paint and y = the price of a brush.

    3x + 3y = 21
    4x + y = 22

    Does this make sense?
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