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: 52

Answer

x = 25 classmates

Work Step by Step

Step 1) .8 x .8 = .64 Step 2) .64 x .75 = .48 Step 3) .48 x .75 = .36 Step 4) .36x = 9 Step 5) 9 ÷ .36 = x Step 6) x = 25
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