Two cyclist start from the same point at the same time and move in opposite directions. One cyclist is traveling at 9 mph, and the other cyclist is traveling at 5 mph. After 120 minutes, how many miles apart are the two cyclist?
The first one would have traveled 18 miles after 120 minutes. The second one would have traveled 10 miles after 120 minutes. They would be 8 miles apart after 120 minutes.