Answer
135
Work Step by Step
You are given the following:
$y=45$
You are solving for $3y$, or $3\times y$. Since you know that $y=45$, you can plug in $45$ for $y$:
$3\times45$
And solve!
$3\times45 = 135$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.2 - Algebraic Expressions and Sets of Numbers - Exercise Set - Page 15: 2
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