A group of friends are going on a day out to Project Hilsha. They divided their route into 3 equal parts, and planned on maintaining an average speed of 68 km/h on their way to their destination. Their speed for the first and second part were 72 km/h and 88 km/h respectively. What speed should they maintain for the third part of their journey if they are to achieve their target average speed?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A group of friends are going on a day out to Project Hilsha. They divided their route into 3
equal parts, and planned on maintaining an average speed of 68 km/h on their way to their
destination. Their speed for the first and second part were 72 km/h and 88 km/h respectively.
What speed should they maintain for the third part of their journey if they are to achieve their
target average speed?

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