HELP WITH THE BOTTOM TOO BUT I GIVE CROWN TO BEST ANSWER :))~!!!!!!!!!!!!
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student 3a (becasue it says 3 times as many adult tickets but we don't
know how much they causet so its a variable)
senior a-8 (it says 8 fewer than adult tickets so that means a-8)
adult a
No she will not sell at least 100 tickets because
a=15
15x3=45
15-8=7
total=67