You poured some 12% alcohol solution and some 6% alchohol solution into a mixing container. Now you have 480 grams of 7.5% alcohol solution/ Write and solve a system of eqauations to find how many grams of 12% solution and how many grams of 6% solution you poured into the mixing container.
You mixed _____ grams of 12% solution with _____ grams of 6% solution