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27 July, 18:28

A family purchased tickets for a concert. They paid a total of $90.00 for 7 adults tickets and 12 child tickets. The price of a child ticket 2/3 the price of an adult ticket. How much is the price of one adult ticket.

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  1. 27 July, 20:38
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    The equation is like this 12x + (2/3) 7x = 90

    Simplify

    12x + (14/3x) = 90

    (50/3) x = 90

    x = 90 / (50/3)

    x = 5.4
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