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math

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pencils come in packs of 20 for 2.79 if 18 8th graders and 19 7th graders need 4 pencils how much would it cost?

  • math -

    total students: 18+19 = 37
    packs needed for 37 pencils: 37/20 or two packs

    cost: 2*2.79 = 5.58

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