naomiedgrey
07.07.2021 •
Mathematics
Jennie, Lisa, and Jisoo have decided to race from the top of a hill to its bottom. Jennie rides a bicycle through a downhill trail which is 700 meters long. It takes her 5 minutes to reach the bottom of the hill, Lisa takes a cable-car and the cable car follows a straight wire from the top to the bottom which is 400 m long. It takes her 3 minutes. Jisoo drives a car through a winding road that is 1500 m long and it takes her 6 minutes Find out who has the highest speed, and who has the highest velocity, among the three of them.
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