Basic College Mathematics (10th Edition)

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

Chapter 5 - Ratio and Proportion - Review Exercises - Page 376: 19


Required proportion : $\frac{8.2 grams}{50 pounds} = \frac{x grams}{145 pounds}$ Solution : $x \approx 24$, i.e. 24 grams of medication can be given for the person weighing 145 pounds.

Work Step by Step

A medication is given at the rate of 8.2 grams for every 50 pounds of body weight. How much should be given to a 145-pound person? As per the details given: $\frac{8.2 grams}{50 pounds} = \frac{x grams}{145 pounds}$ (Assumed x as a required gms of medication) i.e. $8.2 \times145 = 50 \times x$ (As bot sides have same numerator and denominator) Now, divide both sides by 50, $1189 \div 50 = 50 x \div 50$ $ x = 23.78 \approx 24 $
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.