Problems 1-4
These problems are the Essential Ideas for this section. Work through all of these problems.

Problems 5-10
See Example 1.

Problems 11-26
See Example 2.

Problems 27-40
See Examples 3 and 4.

Problems 41-44
See Example 6.

Problems 45-46
See Examples 3 and 4.

Problems 47-48
See Example 6.

Problems 49-51
See Example 7.

Problems 52-54
The Problem of the Day relates calculating interest on credit cards by putting the topic in an everyday setting.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com