Answer
It is 58 dB louder
Work Step by Step
We can find this by subtracting 30 from 88
88 - 30 = 58
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.3 - Adding and Subtracting Whole Numbers, and Perimeter - Exercise Set - Page 30: 87
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