What does the following graph tell us about Janet and Sophie's journey?

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1 Answer
Jan 27, 2018

Please see below.

Explanation:

The graph is given below:
enter image source here

Janet and Sophie started their journey together. Janet walked faster than Sophie from the beginning itself (as shown by steeper slope), but after walking for 1000 hours and 8km. of journey, decided to take rest.

After 400 hours, when Janet found that Sophie has still not reached and decided to continue journey albeit slowly. At the same time Sophie also observed that Janet was still ahead.

Sophie decided to increase the pace and and was able to catch up with Janet after 1000 hours.