Rochelle bought 12 spiral notebooks for school. Each notebook cost $1.50, including tax. Which number sentence could you use to find C, the change that Rochelle received when she paid with a
$20 bill?

Griffin ordered a pair of sneakers online. he had a $22 credit that he applied toward the purchase, and then he used a credit card to pay for the rest of the cost. if the shoes cost $58, how much did griffin charge to his credit card when he bought the sneakers?