74 speed of 80 Kms per hour, next 2000 Kms. by plane at an average speed 300 Kms. per hour and finally 20 Kms. by taxi at an average speed of 30 Kms. per hour. What is his average speed for the entire journey?

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
Chapter6: Fractions
Section6.7: Polynomial Long Division
Problem 24E
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A man travels first 900 Kms of his journey by train at an aver
speed of 80 Kms per hour, next 2000 Kms. by plane at an average speed
74
of 300 Kms. per hour and finally 20
per hour. What is his average speed for the entire journey ?
ns. by taxi at an average speed of 30 Kms.
Transcribed Image Text:A man travels first 900 Kms of his journey by train at an aver speed of 80 Kms per hour, next 2000 Kms. by plane at an average speed 74 of 300 Kms. per hour and finally 20 per hour. What is his average speed for the entire journey ? ns. by taxi at an average speed of 30 Kms.
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