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algebra

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hi can someone help me with this problem. i cant figure out which equation to use. thanks

a full-price ticket for a college basketball game costs $2.50, and a student ticket costs $1.75. if 585 tickets were sold , and the total reciepts were $1,217,25, how many tickets were student tickets?

  • algebra -

    Let x = number of full price tickets and y = number of student tickets.

    x + y = 585, then x = 585 - y

    2.5x + 1.75y = 1217.25

    Substitute 585 - y for x in second equation and solve for y.

    I hope this helps. Thanks for asking.

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