Answer
-1
Work Step by Step
We are given the expression $wz-12y$. We can plug in the given values to solve for the given expression.
$wz-12y=(4)(1.25)-12(\frac{1}{2})=4\times1.25-(\frac{12\times1}{2})=5-(\frac{12}{2})=5-(6)=5+(-6)=-1$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter R - Section R.3 - Exponents, Roots, and Order of Operations - R.3 Exercises - Page 30: 88
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