What is the problem? How do you solve it? Read Polya’s book? Sure, but who has time?
Let’s say, you are given $10 and need to buy some paper, and cannot afford to pay sales tax.
How much, can you spend? Assuming your rate of Tax is 8%
· Scribd PDF Here: http://www.scribd.com/doc/15671905/Prorate-Interest
· Maple Notebook Here: http://mapleoracles.maplesoft.com:8080/maplenet/primes/worksheet/8880_guess_answers.mw
· Blog Post Here: http://www.bspot.org/mediaExperiment/2009/01/prorating_interest.html
Glen