Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Review Problem Set - Page 137: 25



Work Step by Step

Using the properties of equality, in terms of $t,$ the given equation, $ A=P+Prt ,$ is equivalent to \begin{array}{l}\require{cancel} A-P=Prt \\\\ \dfrac{A-P}{Pr}=t \\\\ t=\dfrac{A-P}{Pr} .\end{array}
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