Answer
A 20% discount followed by an additional 40% discount is better
Work Step by Step
100 x 0.7 = 70
70 x 0.75 = 52.5
100 x 0.8 = 80
80 x 0.6 = 48
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 7 - Section 7.5 - Percent and Problem Solving: Sales Tax, Commission, and Discount - Exercise Set - Page 514: 56
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