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25 May, 11:43

At the movie theatre, child admission is

$6.30 and adult admission is

$9.40. On Thursday,

133 tickets were sold for a total sales of

$1005.30. How many child tickets were sold that day?

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Answers (1)
  1. 25 May, 12:13
    0
    Let the number of children be x.

    Total tickets are 133. Adults will be (133 - x).

    Cost from the children = 6.3*x = 6.3x

    Cost from Adults = 9.4 * (133 - x) = 9.4*133 - 9.4*x = 1250.2 - 9.4x

    Total = 6.3x + 1250.2 - 9.4x = 1005.3

    6.3x + 1250.2 - 9.4x = 1005.3

    6.3x - 9.4x = 1005.3 - 1250.2

    -3.1x = - 244.9

    x = - 244.9 / - 3.1

    x = 79

    79 child tickets were sold.
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