Problema Solution
A pharmacist wishes to mix a solution that is 6% Minoxidil. She has on hand 70 ml of a 5% solution and wishes to add some 8% solution to obtain the desired 6% solution. How much 8% solution should she add?
Answer provided by our tutors
Let x represent the ml of 8% solution
0.05*70 + 0.08*x = 0.06(70 + x)
........
........
x = 35 ml
She should add 35 ml of the 8% solution.