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18 April, 12:36

At the movie theatre, child admission is $6.20 and adult admission is $9.30. On Monday, 157 tickets were sold for a total sales of $1178.00. How many adult tickets were sold that day?

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  1. 18 April, 15:57
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    C = child tickets

    a = adult tickets

    c + a = 157

    6.20c + 9.30a = 1178.00

    6.20c + 9.30a = 1178.00

    -6.20c - 6.20a = - 973.40

    3.10a = 204.60

    a = 66 adult tickets

    c + 66 = 157

    -66. - 66

    c = 91 child tickets
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