Answer
375, 15
Work Step by Step
$405-30=375$,
$\frac{405-30}{y2012-1987}=15$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.4 - Multiplying and Dividing Integers - Exercise Set - Page 130: 122
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