Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.1 - Ratio - Exercises - Page 270: 21


7 to 5

Work Step by Step

Restate as division to express in lowest terms. (Note that the 2's cancel in the final multiplication step.) $3\frac{1}{2}\ to\ 2\frac{1}{2}=\frac{7}{2}\ to\ \frac{5}{2}=\frac{7}{2}\div \frac{5}{2}=\frac{7}{2}\times \frac{2}{5}=\frac{7}{5}=7\ to\ 5$
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