Abe purchased a second candle that is shorter with a wider diameter than the first candle it is 8 inches in length and this candle burns down at the rate of 2/5 inches per hour abe lit both candles at the same time in how many hours will the candle be the same length

Answer is in the photo. I can only upload it to a file hosting service. link below!

cutt.ly/zxt1ipy

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.