Question

Late one night, All was studying for his entrance exam when the lights went out, he lit two candles
of equal lengths one thicker than the other. The thick candle is supposed of last for six hours and the thin
are two hours less. When all went to sleep, the thick candle was twice as long as the thin one. For how long
did All study by candle light?​

Answer 1

Answer:

12 hours study

Step-by-step explanation:

2a - a/3 ×y = a - a/4 ×y

2 - y/3 = 1 - y/4

24 - 4y = 12 - 3 y

y=12

so he studied for 12 hours

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