SOLUTION: Mrs Gonzalez bought centerpieces to put on each table at a graduation party. She spent $31.50. There are 8 tables each requiring either a candle or vase. Candles cost $3 and vases

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Question 314781: Mrs Gonzalez bought centerpieces to put on each table at a graduation party. She spent $31.50. There are 8 tables each requiring either a candle or vase. Candles cost $3 and vases cost $4.25. How many of each type did she buy?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.C%2BV=8
2.3C%2B4.25V=31.50
Multiply eq. 1 by -3 and add to eq. 2,
-3C-3V%2B3C%2B4.25V=-24%2B31.50
1.25V=7.5
V=6
Then from eq. 1,
C%2B6=8
C=2
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She bought 2 centerpieces and 6 vases.