Carmen burns a candle for 1 hour every night. A candle will last her 8 nights. If she burns the candle for 2 hours a night, how many candles will she use over 24 nights? Give me reasons, before answering the question
Burning a candle for 1 hour lasts her 8 nights so if she burns for 2 hours it will last her 8 / 2 = 4 nights. 1 candle now lasts 4 nights and she needs enough for 24 nights so she needs 24 / 4 = 6 candles. So the final answer is 6.