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Primary 6 Problem Sums/Word Problems - Try FREE

- Speed: Getting there! > Speed Exercise 17 > 2
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Question

The distance between Point A and Point B is 20 km.
Alice and Serena left Point A at 1100 and drove towards Point B at speeds of 18 km/h and 24 km/h respectively.
When Serena completed `3/4` of her journey, she took a break till Alice caught up with her before resuming her drive to Point B.
How long was Serena's break?
Note to students:
- Give your answer in minutes
- Round your answer off to 2 decimal places
The correct answer is : 12.5