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25 February, 15:14

The schools football team makes it to the championship and the athletic department decides to change the price of tickets for the final game. adult ticket prices have been lowered to $5.00 and student tickets now cost $3.00. at the championship game. 1142 tickets are sold. total ticket sales equaled $4326.00. let a equal the number of adult tickets sold, and let s equal the number of student tickets sold.

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  1. 25 February, 16:16
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    So 5a=cost of adults

    3s=cost of students

    a+s=1142

    5a+3s=4326

    a+s=1142

    subtract s from both sdies

    a=1142-s

    subsitute 1142-s for a

    5 (1142-s) + 3s=4326

    5710-5s+3s=4326

    5710-2s=4326

    subtract 5710 from both swides

    -2s=4326-5710

    -2s=-1384

    dividee both sides by 2

    -s=-692

    multiply - 1

    s=692

    692 students

    subsittue

    a+692=1142

    subtract 692

    a=450

    s=692

    a=450
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