The correct answer is: c. 18h
Step-by-step explanation:
Given
Length of small candle = 12 inches
Length of large candle = 15 inches
Let h be the number of hours.
Then
A small candle burns 1/2 inch every hour.
A large candle burns 2/3 inch every hour.
Putting both equal
The candles will be of same height after 18 hours.
The correct answer is: c. 18h
Keywords: Linear equations, Word problems
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