SOLUTION: A pharmacist wishes to mix a solution that is 5​% Minoxidil. She has on hand 60 ml of a 3​% solution and wishes to add some 7​% solution to obtain the desired 5&
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Question 1071059: A pharmacist wishes to mix a solution that is 5% Minoxidil. She has on hand 60 ml of a 3% solution and wishes to add some 7% solution to obtain the desired 5% solution. How much 7% solution should she add?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
v, the amount of the 7% material to use
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CHECK
expected percent as given
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Also notice the given concentrations 3% and 7% for the starting materials. The mixture concentration 5% is in the exact middle of the 3 and 7, so expect to use equal parts of the two starting materials.
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