Answer
80
Work Step by Step
$8\underset\uparrow2$
Since the ones position is less than 5, the tens position is not changed. Positions to the right are zeroed out.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Exercise Set - Page 199: 50
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