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bob buys 3 slices of pizza and a brownie, Al buys 2 slices of pizza and 2 brownies....bobs total cost before tax is 8.26...Al's total before tax was 6.96, what is price of once slice of pizza and what is price of 1 brownie

  • math -

    3p + b = 826
    2p + 2b = 696

    divide the 2nd by 2
    p + b = 348
    subtract from the 1st

    2p = 478
    p = 239
    sub into simplified 2nd
    239 + b = 348
    b = 109

    pizza slice costs $2.39 and a brownie costs $1.09

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