Answer
It should be repaired because $\frac{1}{20}$ are defective.
Work Step by Step
$\frac{10}{200} = \frac{1}{20}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Section 6.1 - Ratios and Rates - Exercise Set - Page 420: 79
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