A person drives for 200 kilometres at a speedof 30 k.p.h. He drives another 200 kilometresat a speed of 20 k.p.h. What was the averagespeed per hour?

Given that - A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200…

Answered: A person drives for 200 kilometres at a…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter10: Inequalities

Section10.3: Solving Problems Involving Inequalities

Problem 14P

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A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200 kilometres at a speed of 20 k.p.h. What was the average speed per hour?