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28 votes
As a nurse, part of your daily duties is to mix medications in the proper proportions for your patients. For one of your regular patients, you always mix Medication A with Medication B in the same proportion. Last week, your patient's doctor indicated that you should mix 140 milligrams of Medication A with 154 milligrams of Medication B. However this week, the doctor said to only use 33 milligrams of Medication B. How many milligrams of Medication A should be mixed this week?

User JoniJnm
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1 Answer

15 votes
15 votes
Step-by-step explanation:

According to the problem, we can apply the following rule:

By cross-multiplication, we get the following equation:


(x)154\text{ = \lparen140\rparen\lparen33\rparen}

solving for x (the milligrams of medication A that should be mixed), we get:


x\text{ =}((140)(33))/(154)=(4620)/(154)=30

we can conclude that the correct answer is:

Answer:

30 mg of Medication A.

As a nurse, part of your daily duties is to mix medications in the proper proportions-example-1
User Chris Thornton
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