Answer:
16.75 square cm
Step-by-step explanation:

It takes 8 hours to drive to Joliet, and that's 6 hours more than half the time it takes to drive to Davenport. So, I did 8-6 which equals 2. So 2 hours is half the time it takes to get to Davenport, which means it takes 4 hours to get to Davenport.
4200= 4.2 km so
4200 + 325= 4525 meters
jason ran 4525 meters