Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set: 37

Answer

$F=357.2$ miles per hour $J=361$ miles per hour

Work Step by Step

F is the speed of the French TGV- J is the speed of the Japanese Maglev. $J=F+3.8$ $J+F=718.2$ $F+3.8+F=718.2$ $2F=714.4$ $F=357.2$ $J=357.2+3.8=361$
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