Posted by **sam** on Sunday, March 24, 2013 at 2:37pm.

Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic he was able to average only 40 miles per hour during the return trip. What was Mark's average speed for the round trip?

## Answer This Question

## Related Questions

- College Algebra - A truck driver traveled at an average speed of 55 miles per ...
- math - andys average driving speed for a 4-hour trip was 45 miles per hour. ...
- MATH - Bob drove to the store( a distance fo 10.5) miles at ana average speed of...
- Pre-calc - a driver averaged 50 miles per hour on the round trip between akron, ...
- Pre-Calc - a driver averaged 50 miles per hour on the round trip between akron, ...
- math - a truck driver traveled at an average speed of 48 miles per hour on a 100...
- MATh (distance) - Kesha dove from Buffalo to Syracuse at an average rate of ...
- College Algebra - A truck driver traveled at an average speed of 55 miles per ...
- Algebra - A truck driver traveled at an average speed of 58 miles per hour on a ...
- MATh - Kesha dove from Buffalo to Syracuse at an average rate of 48miles per ...

More Related Questions