<PRE><B>Question 976327</B>
The length y cm of a burning candle reduces with time x hours according to the formula y=25-4.5x
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A:What does 25 mean in the formula?
The cancle has length 25 cm when time is zero.
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B: Enter and interpret k value
What &quot;k&quot;?
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C: How long does it take for the candle to burn up?
Solve:: 25-4.5x = 0
4.5x = 25
x = 5.56 hours
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Cheers,
Stan H.
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