SOLUTION: The booster Club voted on where they would go for their annual trip. A majority of the club voted to go to a baseball game. They bought 29 tickets. Some of the tickets cost $7 each
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: The booster Club voted on where they would go for their annual trip. A majority of the club voted to go to a baseball game. They bought 29 tickets. Some of the tickets cost $7 each and soe cost $9 each. All of the tickets cost $225. How many tickets of each price did they buy?
This question is from textbook
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Let $7 tickets be x
Let $9 ticket be y
x+y=29
y=29-x (subsitution)
7x+9y=225 subsitute for y:
7x+9(29-x)=225
-2x=-36
x=18
y=29-18
y=11
Hence, there were 18 tickets solde for $7, and 11 tickets sold for $9.
Paul.
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