Answer
2mm to 1 mm
Work Step by Step
$3cm\times \frac{10mm}{1cm}=30mm$
$\frac{30}{15}=\frac{/\!\!\!15\times2}{/\!\!\!15\times1}=\frac{2}{1}$
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: 9
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