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 - Practice - Page 126: 3


The shorter piece is 3 feet; the longer piece is 15 feet.

Work Step by Step

If we write the length of the shorter piece as x, the length of the longer piece is 5 times x, 5x, and the sum of the short and long piece equals 18, so the expression is: x + 5x + 18 6x = 18 x = 3 The short piece is x = 3 feet long. The long piece is 5x = 5*3 = 15 feet long.
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