H. W. Kuhn, Solvability and Consistency for Linear Equations and Inequalities, The American Mathematical Monthly, Vol. 63, No. 4 (Apr., 1956), pp. 217-232 ...

This paper deals with the stability of systems of linear inequalities in partially ordered Banach spaces when the data are subjected to small perturbations. We show that a certain condition is ...

Form, manipulate and solve linear inequalities with number lines and graphs. Spot inequalities in real life like taxi fares, cake sales and buying games.