Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.5 - An Introduction to Problem Solving - Exercise Set - Page 166: 25


The page numbers are 314 and 315.

Work Step by Step

Let the smaller page number be $x$. The larger page number is $x+1$. The sum of the page numbers is represented by the equation: $x+x+1=629$ Solve for x. Combine like terms. $2x+1=629$ Use the addition property of equality to subtract 1 from each side of the equation. $2x+1-1=629-1$ Simplify. $2x=628$ Use the multiplication property of equality to divide both sides of the equation by 2. $2x\div2=628\div2$ Simplify. $x=314$ Find the other page number. $x+1=314+1=315$
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