Algebra 1: Common Core (15th Edition)

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

Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises - Page 58: 65


The reasoning is that we get a non integer when we divide an odd number by a even number. Since 15 is odd and 2 and 4 are both even, 15 divided by 4 or 2 will leave a non integer.

Work Step by Step

Checking work, 15 = 4+2t 15-4=2t 11=2t t = 11/2 Correct
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