SOLUTION: Clear Shine window cleaner is 12% alcohol and Sunstream window cleaner is 30% alcohol. How much of each should be used to make 90 oz. of a cleaner that is 20% alcohol?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Clear Shine window cleaner is 12% alcohol and Sunstream window cleaner is 30% alcohol. How much of each should be used to make 90 oz. of a cleaner that is 20% alcohol?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 731246: Clear Shine window cleaner is 12% alcohol and Sunstream window cleaner is 30% alcohol. How much of each should be used to make 90 oz. of a cleaner that is 20% alcohol?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
L=12%
u=unknown amount of 12%
H=30%
v=unknown amount of 30%
T=20%, the percent wanted
M=90 ounces

SYSTEM:
%28Lu%2BHv%29%2FM=T
u%2Bv=M

Solve the system for u and v.

Substitute given values to compute u and v.