One canned juice drink is 15% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 10L that is 11% orange juice? ...?
It uses elimination againLet A be 15% juice and B is 5% juice A+B = 100.15A + 0.05B = 0.11*10 = 1.1Multiply 2nd equation by 100 to get rid of decimals A+B = 1015A + 5B = 110
