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23 July, 00:17

At a concession stand one person purchased 3 drinks and 3 soft pretzels for a total of $9.00 another person purchased 4 drinks an 2 soft pretzels for a total of $8.50 what is the price of one drink

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  1. 23 July, 00:31
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    d=drinks

    p=pretzels

    1st eq. 3d+3p=9.00

    2nd eq. 4d+2p=8.50

    multiply 1st eq by 2

    6d+6p=18.00

    multiply 2nd eq by 3

    12d+6p=25.50

    subtract

    -6d=-7.50

    d=1.25

    3p=9.00-3d

    3p=9-3.75

    3p=5.25

    p=1.75

    price of a pretzel=$1.75

    price of a drink = $1.25
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