Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-9 Percents - Practice and Problem-Solving Exercises: 53

Answer

25 students

Work Step by Step

(0.8)(0.8)(0.75)(0.75)(x) = 9 0.36x = 9 0.36x / 0.36 = 9 / 0.36 x = 25
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