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

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): You can put this solution on YOUR website!
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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.

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