Introductory Algebra for College Students (7th Edition)

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

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set: 21

Answer

10

Work Step by Step

given x =7, y= 5 evaluate $\frac{21}{x}$ + $\frac{35}{y}$ Step 1: Substitute the value of x =7 and y=5 in the given expression According to the order of operations perform division $\frac{21}{7}$ + $\frac{35}{5}$ 3 + 7 Step2: Now perform addition 3+7 = 10
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