Austin wants to make twelve gallons of 46% acid solution by mixing together 65% acid solution and a 5% acid solution. How much of each solution should he use?
+36916 acid of ngredients = acid content of final soln
.65 x + .05(12-x) = .46 (12) solve for x the amount of 65% solution gallons then 5% amount = 12-x gallons.
