Answer
$\frac{11}{13}$
Work Step by Step
A ratio of 121 to 143 is written as $\frac{121}{143}$
$\frac{121}{143}=\frac{121\div11}{143\div11}=\frac{11}{13}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Review - Page 459: 2
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