You have already run 4 miles. If you run at a speed of 8 miles per hour, how many total miles will you run in 2 more hours? Choose the correct equation and solution to this problem.

A.8x-4=y B.4+8x=y C.4+8+x=y D.8x-y=4
8(2)-4=y 4+8(2)=y 4+8+(2)=y 8(2)-y=4
16-4=y 4+16=y 14=y 16-y=4
12=y 20=y y=12