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23 September, 10:51

Cost of tickets is 90. 7 adult tickets and 12 kids tickets. Kids tickets 2/3 the adult ticket. How much are adult tickets

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  1. 23 September, 12:57
    0
    7x+12y=90

    y = 2/3x

    15x=90

    x = 6

    6 dollars
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