SOLUTION: A pharmacist wishes to mix a solution that is 7% Minoxidil. She has on hand 90 ml of a 5% solution and wishes to add some 9% solution to obtain the desired 7% solution. How much 9%
Algebra.Com
Question 648125: A pharmacist wishes to mix a solution that is 7% Minoxidil. She has on hand 90 ml of a 5% solution and wishes to add some 9% solution to obtain the desired 7% solution. How much 9% solution should she add?
Thanks!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= ml of 9% solution needed
= ml of Minoxidil in 9% solution
ml of Minoxidil in 5% solution
--------------
90 ml of 9% solution are needed
check:
OK
RELATED QUESTIONS
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 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 a solution that is 5% Minoxidil. She has on hand 90 ml (answered by ikleyn)
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 3% minoxidil. She has on hand 70ml of a 1%... (answered by Alan3354)
A pharmacist wishes to mix a solution that is 6% Minoxidil. She has on hand 90 ml (answered by ankor@dixie-net.com)
A pharmacist wishes to mix a solution that is 5% Minoxidil. She has on hand 80 ml (answered by Theo)