Answer
4
Work Step by Step
Given $\frac{n+4}{8}$=$\frac{n}{4}$
Cross Multiply:
8n=4(n+4)
8n=4n+16
4n=16
n=4
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 7 - Similarity - 7-1 Ratios and Proportions - Practice and Problem-Solving Exercises - Page 436: 26
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