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allochka39001 [22]
3 years ago
13

For the school concert band performance student tickets cost eight dollars each and adult tickets cost $12 each the seller is co

llected $3200 from 300 tickets how many adult tickets and student tickets were sold
Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
S + a = 300...s = 300 - a
8s + 12a = 3200

8(300 - a) + 12a = 3200
2400 - 8a + 12a = 3200
-8a + 12a = 3200 - 2400
4a = 800
a = 800/4
a = 200 <==== 200 adult tickets

s = 300 - a
s = 300 - 200
s = 100 <=== 100 student tickets
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