Answer
40 cm : 3 cm
Work Step by Step
$4m\times \frac{100cm}{1m}=400cm$
$\frac{400}{30}=\frac{/\!\!\!10\times40}{/\!\!\!10\times3}=\frac{40}{3}$
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 7.1 - Ratio - Exercises - Page 270: 12
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