Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Review: 43

Answer

Cornell: 39; Harvard: 80

Work Step by Step

We first call the number of Cornell libraries x. Then translate the number of Harvard libraries to the expression 2x + 2. The sum of both is 119, so we write the equation: x + (2x + 2) = 119 Solve for x: 3x + 2 = 119 3x = 117 x = 39 The nuber of Cornell ibraries is x = 39, and the number of Harvard libraries is 2x + 2 = 2(39) + 2 = 80.
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