Answer
50
Work Step by Step
Substitute the given values and solve.
$t=\frac{d}{r}=\frac{1050}{21}=50$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Test - Page 103: 11
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