Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 9 - Measurement - 9.2 Measuring Area and Volume - Exercise Set 9.2: 76

Answer

(a) 20 mL of the drug should be administered daily. (b) 20 cc of the drug should be administered daily. (c) 0.67 fluid ounces of the drug should be administered daily. (d) The patient should receive 0.17 fluid ounces of the drug in each divided dose.

Work Step by Step

(a) We know that $1~tsp \approx 5~mL$ We can convert 4 teaspoons to units of milliliters. $4~tsp = \frac{4~tsp}{1}\times \frac{5~mL}{1~tsp} = 20~mL$ 20 mL of the drug should be administered daily. (b) We know that $1~tsp \approx 5~mL$ We know that $1~mL = 1~cc$ We can convert 4 teaspoons to units of cc. $4~tsp = \frac{4~tsp}{1}\times \frac{5~mL}{1~tsp}\times \frac{1~cc}{1~mL} = 20~cc$ 20 cc of the drug should be administered daily. (c) We know that $1~tsp \approx 5~mL$ We know that $1~fl~oz \approx 30~mL$ We can convert 4 teaspoons to units of fluid ounces. $4~tsp = \frac{4~tsp}{1}\times \frac{5~mL}{1~tsp}\times \frac{1~fl~oz}{30~mL} = 0.67~fl~oz$ 0.67 fluid ounces of the drug should be administered daily. (d) The daily amount should be divided into four equal doses. We can find the number of fluid ounces in each divided dose. $\frac{0.67~fl~oz}{4} = 0.17~fl~oz$ The patient should receive 0.17 fluid ounces of the drug in each divided dose.
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