During a four-day festival candies are lit only at the beginning of a daily gathering. They burn for a single hour each day and are then extinguish All candles are new at the start, and each one can burn for 4 hours in total. On the first day just one candle is liton the second day two, on the threeand on the final day all four candles are lit. Traditionally , one new candle is started each day Hamish wondered whether four shorter candles could be used if it is not necessary to use a new candle each day If the candles are all the same length at the start, for how long must they each be able to burn? 2.5 hours 3.5 hours 3 hours 4 hours Next