Use X = V*t to compute the distance traveled during each part, and add the distances of the three parts.
During part 1, she travels
22 min*60 sec/min*6.80 m/s = 8976 m = 8.98 km
Now you finish the problem.
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 22 minutes at an average speed of 6.80 m/s. During the second part, she rides for 36 minutes at an average speed of 5.40 m/s. Finally, during the third part, she rides for 8.0 minutes at an average speed of 11.1 m/s. How far has the bicyclist traveled during the entire trip?
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