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Miguel sells 77 to a barbeque, for a total of $443. If the tickets cost $7.00 for adults and $5.00 for children, how many of each ticket did he sell?

  • Math -

    Let x = adult's tickets and y = children's tickets

    x + y = 77

    Therefore, x = 77 - y

    7x + 5y = 443

    Substitute 77 - y for x in the second equation and solve for y. Put value into first equation to find x. Check by putting both into the second equation.

    I hope this helps.

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