SOLUTION: Tammy is selling tickets for the school jazz band concert. Adult tickets cost $5, and student tickets cost $3. If Tammy sells a total of 170 tickets and collects $650, how many of
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Question 907552: Tammy is selling tickets for the school jazz band concert. Adult tickets cost $5, and student tickets cost $3. If Tammy sells a total of 170 tickets and collects $650, how many of each kind of ticket did she sell?
You can put this solution on YOUR website! x+y=170,
5*x+3*y=650
x=170-y
5*(170-y)+3*y=650
850-5y+3*y=650
-2*y=-200
y=100
x=170-y
x=70 at 5 and y=100 at 3
check
70+100=170
5*x+3*y=650
5*70+3*100=650
350+300=650
650=650
ok
