POSSIBLE POINTS: 20
Doug, who runs track for his high school, was challenged to a race by his younger brother, Matt. Matt started running first, and Doug didn't start running
until Matt had finished a quarter-mile lap on the school track. Doug passed Matt as they both finished their sixth lap. If both boys ran at a constant speed,
with Doug running 2 miles an hour faster than Matt, what was Matt's speed?
1. 10.5 miles per hour
2. 10 miles per hour
3. 9 miles per hour
4.8 miles per hour
5. 7.5 miles per hour
