SOLUTION: A pharmacist wishes to mix a solution that is 7 percent minoxidil. she has 80 ml of a 2 percent solution and wishes to add a 9 percent solution to obtain the desired 7 percent solu

Algebra.Com
Question 485902: A pharmacist wishes to mix a solution that is 7 percent minoxidil. she has 80 ml of a 2 percent solution and wishes to add a 9 percent solution to obtain the desired 7 percent solution. How much 9 percent solution should she add?
Answer by Tatiana_Stebko(1539)   (Show Source): You can put this solution on YOUR website!
Let she will add x ml of 9% solution, then she will receive (80+x) ml of 7 % solution





ml of 9% solution

RELATED QUESTIONS

a pharmacist wishes to mix a solution that is 2% Minoxidil. She has on hand 80 ml of a 1% (answered by nerdybill)
A pharmacist wishes to mix a solution that is 6% Minoxidil. She has on hand 80 ml of a... (answered by jorel555)
A pharmacist wishes to mix a solution that is 6% Minoxidil. She has on hand 60 ml of 2%... (answered by stanbon)
a pharmacist wishes to mix solution that is 3% Minoxidil. She has on hand 70 ml of 2%... (answered by Theo)
A pharmacist wishes to mix a solution that is 7% Minoxidil. She has on hand 70ml of a 2%... (answered by ad_alta)
A pharmacist wishes to mix a solution that is 5​% Minoxidil. She has on hand 80 ml (answered by Theo)
A pharmacist wishes to mix a solution that is 8% minoxidil. She has 70 ml of 5% solution (answered by josmiceli)
A pharmacist wishes to mix a solution that is 8% minoxidil. She has 70 ml of 4% solution (answered by TimothyLamb)
A pharmacist wishes to mix a solution that is 5​% Minoxidil. She has on hand 90 ml (answered by ikleyn)