Pleas help 31. Caroline charged a $350-pair of skis on her
credit card. She paid the total amount after
60 days. The credit card rate of interest was
16,5% per year. What was the total amount she
paid for the skis?

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?