Nancy found that 2 cups of strawberries weigh one-half pound, and 8 cups of strawberries weigh 2 pounds. She made a graph to help her find the weight of other quantities of strawberries.

On a coordinate plane, cups is on the x-axis and pounds is on the y-axis. Points (2, 0.5) and (8, 2) are plotted.

Which ordered pair follows the pattern in the graph?
(3, 1.5)
(4, 1.5)
(6, 1.5)
(7, 1.5)