SOLUTION: a pharmacist wishes to mix a solution that is 3% minoxidil. She has on hand 100 ml of a 2% solution and wishes to add some 5% solution to obtain the desired 3% solution. How much 5

SOLUTION: a pharmacist wishes to mix a solution that is 3% minoxidil. She has on hand 100 ml of a 2% solution and wishes to add some 5% solution to obtain the desired 3% solution. How much 5

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Question 217284: a pharmacist wishes to mix a solution that is 3% minoxidil. She has on hand 100 ml of a 2% solution and wishes to add some 5% solution to obtain the desired 3% solution. How much 5% solution should she add?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
.05x+.02(100-x)=.03(100)
.05x+2-.02x=3
.03x=1
x=33.33 ml of 5%
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