SOLUTION: I need help getting the equation set up for this word problem. How many ounces of a 28% saline solution and a 72% saline solution must be mixed to produce 32 ounces of a 39% soluti

Question 868038: I need help getting the equation set up for this word problem. How many ounces of a 28% saline solution and a 72% saline solution must be mixed to produce 32 ounces of a 39% solution?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
AMP Parsing Error of []: Invalid expression '': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 203. . .72x + .28(32oz - x) = .39(32oz)
x = .11(32oz)/33
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