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algebra

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If refreshments cost 45$ for 18 people, at the same rate, how much would refreshments cost for 26 people?

  • algebra -

    Use this proportion. Cross multiply and solve for x.

    45/18 = x/26

    18x = 1170

    x = $65

  • algebra -

    Thanks Ms.sue, this is really helpful! :)

  • algebra -

    You're very welcome, Lilly.

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