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11 votes
11 votes
At 7 P.M., a burning candle is 16 inches tall. At 9:30 P.M., the candle is only 3.5 inches tall. At what rate is the height of the candle decreasing?

User Stephen Cagle
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1 Answer

16 votes
16 votes

Answer: 5 inches per hour or 2.5 inches per half an hour

Explanation:

Amount of Time Passed: 2 hours 30 minutes

Difference in Candle Height: 12.5 inches

12.5 / 2.5 = 5 inches

5 inches per hour or 2.5 inches per half an hour

If it is incorrect, please let me know.

User Arienrhod
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3.0k points