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MATH

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roberta sold fifty tickets for the school play. Roberta sold ten more student tickets than adult tickets. How many tickets did roberta sell?

  • MATH - ,

    She sold 50 tickets. You already said that.

  • MATH - ,

    X-Adult tickets,
    (x + 10) Student tickets.

    x + (x + 10) = 50 tickets,
    2x + 10 = 50,
    2x = 50 - 10,
    2x = 40,
    x = 2o.

    (x + 10) = 20 + 10 = 30.

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