Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Skills Handbook - Percents and Percent Applications - Exercises - Page 972: 15



Work Step by Step

To solve this, you must set up an equation. First, you have to convert 120% to a decimal, so you have to divide 120 by 100. You get 1.20 because you will move the decimal 2 places to the left. Now, you set up the equation, which is 90=n x 1.20. So all you have to do is divide 90 by 1.20. You will get 75, which is your answer.
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