02:13duration 2 minutes 13 seconds

Graphing a linear inequality on the number line

A demonstration of number line graphs. There are two examples in the vi deo, but when you do the questions in ALEKS you'll only have to do one.

02:01duration 2 minutes 1 second

Finding the total cost including tax or markup

Uses the technique of adding the percentages fiirst before multiplying so that the answer is immediate.