Answer
$\frac{2052}{4085y}$
Work Step by Step
$\frac{108}{215y}=\frac{x}{4085y}$
Cross mulltiply to solve for x.
$108\times4085y=215y\times x$
$441180y=215xy$
$441180y\div215y=215xy\div215y$
$2052=x$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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
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