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30 August, 08:13

Jillian's school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. The equation 10.50a + 3.75b = 2071.50, where a is the number of adult tickets sold and b is the number of student tickets sold, can be used to find the number of adult and student tickets. If 82 students attended, how may adult tickets were sold?

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  1. 30 August, 09:47
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    10.50a + 3.75b = 2071.50

    82 x 3.75 = 307.50

    2071.50 - 307.50 = 1764

    1764/10.50 = 168

    10.50 (168) + 3.75 (82) = 2071.50

    1764 x 307.50 = 2071.50
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