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22 May, 05:53

At the city museum, child admission is $5.20 and adult admission is $9.90. On Wednesday, three times as many Adult tickets to child tickets were sold, for a total sales of $767.80. How many child tickets were sold that day

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  1. 22 May, 05:59
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    Child=x

    Adult=y

    y=3x

    5.2x+9.9y=767.8

    5.2x+9.9 (3x) = 767.8

    5.2x+29.7x=767.8

    34.9x=767.8

    x=22
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