Mr. Jansen ordered calculators for his math class. He paid the same amount for each calculator and a fixed amount for shipping. His total costs for different numbers of calculators are shown in the table below. Number of Calculators 8 12 16 Total Cost (dollars) 70.11 101.67 133.23 What equation could be used to find the total cost (y), in dollars, for Mr. Jansen to order x calculators?​