e 72: A person drives for 200 kilometres at a speed of 30 k.p.h. He drives anothers 200 kilometres at a speed of 20 k.p.h. What was the average speed per hour.
e 72: A person drives for 200 kilometres at a speed of 30 k.p.h. He drives anothers 200 kilometres at a speed of 20 k.p.h. What was the average speed per hour.
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
Chapter7: Applying Fractions
Section7.7: Mixture Problems
Problem 6P
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Transcribed Image Text:e 72:
A person drives for 200 kilometres at a speed of 30 k.p.h. He drives
anothers 200 kilometres at a speed of 20 k.p.h.
What was the average speed per hour.
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