Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 2 - Multiplying and Dividing Fractions - Review Exercises - Page 189: 22



Work Step by Step

18 carat gold. It has all 18 part gold and 6 parts alloy. $\frac{Parts of Gold}{Parts of gold + parts of alloy} = \frac{18}{18+6} = \frac{18}{24} = \frac{18\div6}{24\div6} = \frac{3}{4}$
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