Kelly sells ice cream at the beach. In addition to a fixed salary, she earns a commission for each ice cream bar she sells. The table shows Kelly’s total earnings, y, in dollars, from selling x bars of ice cream: Ice Cream Sales and Earnings
Number of Bars Sold (x) Total Earnings (y)(dollars)
0 50
1 52
2 54
3 56

Which equation best shows the relationship between x and y?
y = 2x + 50
y = x + 52
y = 2x + 52
y = x + 50