PLZ HELP ;-;
Mark drank a total of 10 glasses of water and iced tea yesterday. Each glass of water contained 8 ounces. Each glass of iced tea contained 12 ounces. All together, he drank 96 ounces. The system of equations below models this situation. x + y = 10 8 x + 12 y = 96 How many glasses of iced tea did Mark drink yesterday?