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19-10-2017
Mathematics

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A twelve inch candle and an eighteen inch candle are lit at six pm. The twelve inche candle burns . 5 inches every hour and the 18 inche candle burns 2 inches every hour at what time will the two candles be the same height?

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25-10-2017

At 10pm
18 - 2t = 12 - 0.5t
6 = 1.5t
t = 6/1.5
t = 4 hours

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