Maya uses an app on her phone to track how far she rides her bike. Yesterday, she biked a new trail in a total of 48.5 minutes, including a 2-minute water break. The app notified Maya that she rode 7.5 miles.
Which equation can Maya use to find x, her average number of minutes per mile while biking?

A. 7.5x + 2 = 48.5
B. 2(x + 7.5) = 48.5
C. 7.5(x + 2) = 48.5
D. 2x + 7.5 = 48.5