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Answer :
Final answer:
The candle was 16.6 inches long before it was lit.
Explanation:
To find the length of the candle before it was lit, we first need to calculate how much the candle has burned in 2 hours. Since the candle burns at a constant rate of 1.4 inches per hour, it will have burned 2 * 1.4 = 2.8 inches in 2 hours.
Now, we can subtract the burned length from the current length of the candle to find its original length. The current length of the candle is 13.8 inches, so the original length of the candle would be 13.8 + 2.8 = 16.6 inches.
Therefore, the candle was 16.6 inches long before it was lit.
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Final answer:
A candle is lit and burns at a constant rate of 1.4 inches per hour, the initial length of the candle was 11 inches.
Explanation:
To find the length of the candle before it was lit, we need to calculate the initial length of the candle.
Since the candle burns at a constant rate of 1.4 inches per hour, we can calculate the amount of burn the candle experienced in the two hours it was lit.
The total burn would be 1.4 inches/hour x 2 hours = 2.8 inches.
So, the initial length of the candle can be calculated by subtracting the burn from the length of the candle after 2 hours: 13.8 inches - 2.8 inches = 11 inches.
So therefore the initial length of the candle was 11 inches.
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