SOLUTION: a high school game earns $1050 by selling 400 tickets. Students pay $2 and adults pay $3. How many of the tickets sold were adult and how many were student? I tried without succes
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Question 786954: a high school game earns $1050 by selling 400 tickets. Students pay $2 and adults pay $3. How many of the tickets sold were adult and how many were student? I tried without success. thank you
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
s = how many student tickets
a = how many adult tickets
Account for tickets: s+a=400
Account for revenue: 2s+3a=1050
Two equations in two unknowns.
a=400-s.
2s+3(400-s)=1050
2s+1200-3s=1050
-s=1050-1200
s=1200-1050
s=150, so what is a?
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