Question 140
A city still doesn't have electric lighting and everyone uses candles at night. At João's house, one candle is used per night, without burning it completely. With the stumps of four of these candles, it is possible to make a new candle. For how many nights will João be able to light his house with 43 candles?
A) 43
B) 53
C) 56
D) 57
E) 60
A) 43
B) 53
C) 56
D) 57
E) 60