SOLUTION: Sylvia ran for 15 minutes at a rate of 5 miles per hour and then walked for 15 minutes at a rate of 4 miles per hour. What was her average speed? How far did she go?

Question 972342: Sylvia ran for 15 minutes at a rate of 5 miles per hour and then walked for 15 minutes at a rate of 4 miles per hour. What was her average speed? How far did she go?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Average speed is always:
[ total distance traveled ] / [ total time spent traveling ]
Convert min to hrs:
hrs
---------------------

mi
-------------------

mi
--------------------------

hr
----------------------
Average speed =

mi/hr
The average speed is 4.5 mi/hr

She went 2.25 mi

RELATED QUESTIONS
A girl ran to a store at the rate of 6 miles per hour, and she walked back at the rate of (answered by Alan3354,MathTherapy)

anthony jogged 15 minutes at a rate of 6 miles per hour and he walked 30 minutes at a... (answered by macston)

Liz ran at a rate of 8 miles per hour, then walked at 3 miles per hour. If it took her... (answered by ankor@dixie-net.com)

A man walks 31 miles, partly at the rate of 2 miles per hour and the rest at the rate of... (answered by ankor@dixie-net.com)

After walking a distance of 6 miles at a certain rate, a man decided to increase his rate (answered by stanbon)

After walking a distance of 6 miles at a certain rate, a man decided to increase his rate (answered by lwsshak3)

In a large marathon, runners start the race in stages. Jorge started in group E and ran... (answered by ankor@dixie-net.com)

At a rate of 6 miles per hour, how far could a person bike in 2 hours and 15 minutes? (answered by Alan3354)

In a large marathon, runners start the race in stages. Leanna started in group E and ran (answered by solver91311)