Answer
The ratios are not equal.
Work Step by Step
Multiply the means and extremes. If the products are equal the ratios are equal.
$3\times 20\overset? = 5\times18$
$60\ne90$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Section 7.2 - Proportion - Exercises - Page 276: 9
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