The graph below shows the price of different numbers of cans of beans at a store: A graph is shown. The values on the x-axis are 0, 2, 4, 6, 8, 10. The values on the y axis are 0, 19, 38, 57, 76, and 95. Points are shown on ordered pairs 0, 0 and 2, 19 and 4, 38 and 6, 57 and 8, 76. These points are connected by a line. The label on the x-axis is the Number of Cans. The title on the y axis is Price in dollars. Which equation can be used to determine p, the cost of b cans of beans?