Elementary Technical Mathematics

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

Chapter 7 - Section 7.2 - Proportion - Exercises - Page 278: 67

Answer

Milliliters to be withdrawn: $6mL$.

Work Step by Step

We are given: Ratio of aminophylline in the bottle = $\frac{250mg}{10mL}$ We need to find how many $mL$ to draw to get $150mg$ of aminophylline. Therefore, mL required to be drawn = $\frac{10}{250}*150= 6mL$.
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