A red candle is 8 inches tall and burns at a rate of 7 divided by 10 inch per hour. A blue candle is 6 inches tall and burns at a rate of 1 divided by 5 inch per hour. After how many hours will both candles be the same height

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

42.4

step-by-step explanation:

convert to decimal