The graph below represents the speeds of Kael and Lynn as they run around a track. A graph titled The Running Track. The horizontal axis shows time (minutes) and the vertical axis shows speed (m p h). Two lines begin at 0 speed in 0 minutes. The line labeled Lynn goes to 3 m p h in 8 minutes, to 12 m p h from 13 to 28 minutes, to 0 m p h in 40 minutes. The line labeled Kael goes to 10 m p h from 12 to 20 minutes, to 2 m p h in 32 minutes, to 0 m p h in 40 minutes.

For how many minutes did Lynn run at a greater speed than Kael?

12
17
23
28