Colton earns $7 per hour plus $1.50 for each pizza delivery. the expression 7h+1.50d can be used to find the total earnings after h hours and d deliveries have been made. how much money will colton earn after working 15 hours and making 8 deliveries

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?