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26 September, 21:21

The cost of admission to a popular music concert was $162 for 12 children and 3 adults. The admission was $122 for 8 children and 3 adults in another music concert. How much was the admission for each child and adult?

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  1. 26 September, 23:36
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    A=adult ticket c = children ticket

    12c+3a = 162

    8c+3a=122

    Multiply the second by - 1. Add both

    And you have

    4c=40

    Divide both sides by 4

    c=10 ...

    The price for 12 children is $120

    The price for 3 adults is $162-120 = $42

    Each adult pays $12

    Each child pays $10
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