Algebra 1

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

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Mixed Review: 47

Answer

21 percent

Work Step by Step

Step 1) .20x = 4.2 Step 2) x = 4.2 ÷ .20 Step 3) x = 21% --- 20% equals .20. Multiply by x and set equal to 4.2. Solve for x.
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