A certain medicine requires 5 mg per 20 kg of weight.  How much medicine is required for a patient that weighs 196 pounds?   Round answer to the nearest 10th.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter69: Simple Practical Machine Applications
Section: Chapter Questions
Problem 4A: A steel forging in the shape of a right circular cone weighs 214.6 pounds. The base of the cone has...
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A certain medicine requires 5 mg per 20 kg of weight. 

How much medicine is required for a patient that weighs 196 pounds?  

Round answer to the nearest 10th. 

Expert Solution
Step 1

Since 20kg of weight medicine requires 5mg.

Then 1kg of weight requires medicine  0.25 mg/kg .

Let x mg medicine is required for a patient that weighs 196 pounds.

Here ,

196 pounds = 88.90 kg

Then ,

x=0.25×88.90=22.23 mg

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