6 a + 2 s = 40
5 a + 12 s = 85
multiply first one by 6
36 a + 12 s = 240
5 a + 12 s = 85
------------------ subtract
31 a = 155
a = $5
now find s
Julia's school is selling tickets to a play. On the first day of ticket sales the school sold 6 adult tickets and 2 student tickets for a total of $40. The school took in $85 on the second day by selling 5 adult tickets and 12 student tickets. What is the price each of one adult ticket and one student ticket.
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2 answers