At the local convenience store, bubble gum outsells non-bubble gum by a five-to-one ratio. If the store sold 522 pieces of gum today, how many of them were pieces of non-bubble gum?

Ratio == 5 : 1

5 + 1==6 sum of the rarios

522 / 6 ==87 - constant ratio

87 x 5 ==435 bubble gums sold

87 x 1 ==87 non-bubble gums sold.