College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Prologue: Principles of Problem Solving - Problems: 2

Answer

One $40$% discount is better.

Work Step by Step

Two consecutive discounts of $20$% on a $100$ dollar purchase makes the price $.8*.8*100$, or $64$ dollars. A discount of $40$% would make the price $60$ dollars, intuitively. The $40$% discount made the price lower for a $100$ dollar purchase, so it is the better deal.
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