Answer
0.2
Work Step by Step
You are given $\frac{2b-1}{4}$=$\frac{b-2}{12}$
Cross Multiply
12(2b-1)=4(b-2)
24b-12=4b-8
24b=4b+4
20b=4
b=$\frac{4}{20}$=0.2
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 437: 43
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