Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - Review Exercises - Page 374: 43

Answer

14.7 milligrams.

Work Step by Step

Let's assume the x is the milligrams of medicine to be given to patient weighs 210 pounds. Now, we will write the proportion for the given details. $\frac{3.5}{50} = \frac{x}{210}$ $3.5\times210 = x\times50$ (cross multiply) $50 x = 735$ $x = 14.7 (divide by 50) 14.7 milligrams of medicine to be given to patient weighs 210 pounds.
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