Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set - Page 146: 20


d = $\frac{4D}{f}$

Work Step by Step

Solve for k by isolating it to one side of the equation: D = $\frac{1}{4}$fk Multiply both sides by 4: 4D = fk Divide both sides by f: $\frac{4D}{f}$ = k
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