


Simple problems provide an exceptional opportunity to learn how to solve problems reliably. Once you have learned to develop problem solutions in a logically sound approach using mathematics as a language you will be able to use problems to learn and understand concepts. 
This problem was adapted from a simpler solution shown at XpertSite specifically at www.xpertsite.com/ViewAnswer.asp?vid=214105. Use XpertSite to ask questions and get answers from experts. 