SOLUTION: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 95% salt. She wants to o

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 95% salt. She wants to o      Log On


   

Question 1179772: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 95% salt. She wants to obtain 90 ounces of a mixture that is 85% salt. How many ounces of each solution should she use?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
.65(90-x) + .95x = .85(90)
               x = .20(90)/.30 = 60oz 95%   
                                 30oz 65%

    19.5 + 57 = 76.5  checks. 
Wish You the Best in your Studies.