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MathematicsMathematics
4 May, 04:35

At the movie theatre child admission is $6.30 and adult is $9.90 on Monday, 138 tickets were sold for a total sales of $1053.00. How many tickets were sold that day

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  1. 4 May, 07:26
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    Answer: 87 children and 51 adult

    Step-by-step explanation:

    Let x be child admission and let y be adult admission.

    We know that x+y=138 based on the fact that 138 tickets were sold.

    We also know that 6.3x+9.9y=1053 based on the information.

    Let y=138-x

    Then, 6.3x+9.9 (138-x) = 1053

    6.3x+1366.2-9.9x=1053

    -3.6x+1366.2=1053

    -3.6x=-313.2

    x=87

    138-87=y=51

    87 children's and 51 adult tickets were sold.
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