Answer
The Spanish railroads are wider by $\frac{7}{20}$ of an inch.
Work Step by Step
$65\frac{9}{10} \gt 65\frac{11}{20}$
$65\frac{9}{10} - 65\frac{11}{20}$
$=65\frac{18}{20} - 65\frac{11}{20}$
$=\frac{7}{20}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set - Page 300: 76
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