SOLUTION: Two candles of equal length are lit at the same time. One candle take 6 hours to burn out, the other takes 9 hours to burn out. After how much time will the slower burning candle b
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Question 1032050: Two candles of equal length are lit at the same time. One candle take 6 hours to burn out, the other takes 9 hours to burn out. After how much time will the slower burning candle be exactly twice as long as the faster burning candle? Answer by ikleyn(52790) (Show Source):
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Two candles of equal length are lit at the same time. One candle take 6 hours to burn out, the other takes 9 hours to burn out.
After how much time will the slower burning candle be exactly twice as long as the faster burning candle?
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The equation which describes the situation is
= . (1)
is the rate for the first candle, and is the rate for the second candle.
After solving (1) you get t = 4.5 hours = of an hour.
The remaining parts at this moment will be for the faster candle and for the slower candle.
