A red candle is 8 inches tall and burns at a rate of inch per hour. 10
A blue candle is 6 inches tall and burns at a rate of
5
inch per hour.
After how many hours will both candles be the same height?

after 8 hours both candles will be burned down completely

Step-by-step explanation:

but blue candle will only need a little over an hour to burn completely

go on the tube you might find some information there