Comendo Números

Synopsis: A young sportswoman doing your workout and feel very tired. Nutriocionista then talks with the club suggests that a diet with you kilocalories, fats and enough protein to sports activities. To determine the amount per day, servings of foods that contain each of the items above, she rides a linear system of 3 equations in 3 unknowns. And to find the solution they use the method of Gaussian elimination.
Source: Unicamp - M3, Mathematics Multimedia.
URL: http://m3.ime.unicamp.br/recursos/1073