Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set - Page 265: 96



Work Step by Step

$\frac{108}{215y}=\frac{x}{4085y}$ Cross mulltiply to solve for x. $108\times4085y=215y\times x$ $441180y=215xy$ $441180y\div215y=215xy\div215y$ $2052=x$
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