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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.
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
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