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 - Page 142: 49



Work Step by Step

Use the equation below, where i is the amount of interest, t is the time, p is the principle (the initial amount), and r is the rate of return. $i=prt$ substitute $10.86=p(0.06)(1)$ divide both sides by 0.06 $10.86\div0.06=0.06p\div0.06$ simplify $181=p$
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