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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 60 milligrams of Medication A with 78 milligrams of Medication B. However this week, the doctor said to only use 65 milligrams of Medication B. How many milligrams of Medication A should be mixed this week?

User Imsa
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Given the word problem, we can deduce the following information:

1. Last week, your patient's doctor indicated that you should mix 60 milligrams of Medication A with 78 milligrams of Medication B.

2. This week, the doctor said to only use 65 milligrams of Medication B.

To determine the amount in milligrams of Medication A for this week, we first let x be the amount in milligrams of Medication A, and apply the process as shown below:


\begin{gathered} (60)/(78)=(x)/(65) \\ Simplify\text{ and rearrange} \\ x=(60(65))/(78) \\ Calculate \\ x=\text{ 50} \end{gathered}

Therefore, 50 milligrams of Medication A should be mixed this week.

User Nbroeking
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