SOLUTION: A pharmacist wishes to mix a solution that is 4% Minoxidil. She has on hand 100ml of 3% solution and wishes to add some 6% solution to obtain the desired 4% solution. how much 6% s
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Question 567775: A pharmacist wishes to mix a solution that is 4% Minoxidil. She has on hand 100ml of 3% solution and wishes to add some 6% solution to obtain the desired 4% solution. how much 6% solution should she add?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A pharmacist wishes to mix a solution that is 4% Minoxidil. She has on hand 100ml of 3% solution and wishes to add some 6% solution to obtain the desired 4% solution. how much 6% solution should she add?
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Equation:
mino + mino = mino
0.03*100 + 0.06x = 0.04(100+x)
Multiply thru by 100 to get:
3*100 + 6x = 4*100 + 4x
2x = 100
x = 50ml (amt of 6% solution needed)
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Cheers,
Stan H.
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