Question

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SEVENTH GRADE MATH:
A candle 16 inches tall burns for 2.5 hours. When the flame is blown out, it is only 3.5 inches tall. At what rate is the height of the candle decreasing?

Answer 1

Answer: 5 inches per hour

Explanation:

Starting height of 16 minus the end height of 3.5.

16- 3.5= 12.5

Take this number and divide it by the time the candle burned (2.5 hours)

12.5 inches/ 2.5 hours = 5 inches per hour

Answer 2

5 inches per hour

Explanation: