Good morning my dear pupils.
Why are you so lazy/shy? Why don’t write more posts?
M. B. gave me the solution. You are clever, write on the blog!
The answer is 21 hours. The reasonament is simple. Holmes made 16 candles from 64. When they burnt down he had 16 candle subs and he made from then 4 candles. When they burnt down he had 4 candle stubs and he made his last full candle. Each candle burnt down in one hour. Adding we have:
16+4+1 = 21 hours of light
I am waiting your solutions
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