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16 April, 16:02

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?

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  1. 16 April, 17:55
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    2 candles, 6 vases

    Step-by-step explanation:

    Assume: c = # of candles, v = # of vases

    Systems: c + v = 8, 3c + 4.25v = 31.50

    Multiply first equation by - 3, then subtract equations: 1.25v = 7.5

    v = 6

    Substitute: c + 6 = 8, c = 2
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