Answer
x = 50
Work Step by Step
0.50x + 0.15(70) = 35.5
Multiply:
0.50x + 10.5 = 35.5
Subtract 10.5 from both sides:
0.50x = 25
Divide both sides by 0.50:
x = 50
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.3 - Further Solving Linear Equations - Exercise Set - Page 119: 21
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