Answer
Initial price = 570 dollars
Work Step by Step
Let the initial price be 'x.'
With a 30 percent discount:
x - 0.30x = 399
0.70x = 399
x = 570
Initial price = 570 dollars
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 92: 94
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