Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Chapter Review - Page 154: 29

Answer

The trip was 390 Miles long

Work Step by Step

D(train)= 65x D(plane)= 130(x-3) Since the time is 3 less hours then the train (x-3) D(train)=D(plane) 65x = 130(x-3) 65x = 130x -390 -130x -130x Subtract 130x from each side = -65x = -390 x= 6 65(60)=390
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