Often in real life we find ourselves in situations that can be represented mathematically by inequalities. For example, if we want to take a taxi, we may find that the charge is £1.50 standard charge ...

The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving mathematics instruction from grade 8-14 and supporting teacher education ...

I often start the first-year managerial economics classes I teach by showing a graph to my MBA students (see below). It shows that in 1951, middle-income Indians (from the middle 40 th percentile, ...