A bicyclist makes a trip that consists of three parts, each in the same direction along a straight road. During the first part, she rides for 22 minutes at an average speed of 7.2m/s. During the second part, she rides for 36 minutes at the average speed for 5.1m/s. Finally, during the third part, ahe rides for 8 minutes at an average speed of 13 m/s.
How far has the bicyclist traveled during the entire trip?
What is her average velocity for the trip?