SOLUTION: A candle is lit and burns and the length of the candle changes af a constant rate of -1.6 inches per hour. 3 hours after the candle was lit the candle is 8.8 inches long. A) write

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Question 1126312: A candle is lit and burns and the length of the candle changes af a constant rate of -1.6 inches per hour. 3 hours after the candle was lit the candle is 8.8 inches long.
A) write a formula that expresses the remaining length of the candle in inches,L, in terms of the number of hours T that have elapsed since the candle was lit.
B) use your formula from part A. To determine how long the candle was before it was lit.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Slope is -1.6 and a point is (3, 8.8).

In point-slope form, L-8.8=-1.6%28T-3%29.
Solve for L in terms of T and simplify.

You are then looking for L when T is 0.