Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set: 73

Answer

$I=\dfrac{E}{R+r}$

Work Step by Step

Factor out $I$ on the left side to find: $I(R+r)=E$ Divide by $R+r$ on both sides to find: $\dfrac{I(R+r)}{R+r} = \dfrac{E}{R+r} \\I=\dfrac{E}{R+r}$
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