Answer
The woman is 20 years old and the "uncle" is 60 years old.
Work Step by Step
3x+20=2(x+20)
3x+20=2x+40
x=20 years old is the woman's age
3(20)=60 years old is the "uncle's" age
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.3 - Page 136: 87
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