Question

A candle that is 8 inches tall burns 1/5inch every hour. A 15-inch candle burns 4/5 inch every hour. After how many hours will the

candles be the same height? Round to the nearest hour.
PLEASE HELP

Answer 1

11 2/5 hours or 11h:24m

Explanation:

8 - 1/5h = 15 - 4/5h

Subtract 8 from both sides

-1/5h = 7 - 4/5h

Add 4/5h to each side

3/5h = 7

Divide both sides by 3/5

7/1 * 5/3 = 35/3

Simplify 35/3 = 11 2/5 hours