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This problem is an excellent one for group work involving the use of fractions. The problem is open ended with a wide variety of methods and applications available. Links to other internet material is also provided to give experience seeing other approaches to solving this problem and additional study of the problem solving process. The opportunity to use the internet to do research is also available to obtain data related to the assumptions made in the solution presented below.

For well designed list of problem solving heuristics click here
. Heuristics (educated guesses) provide useful tools in applying the problem solving process.

21st Century Problem Solving.

Equations Talk!

This problem solution was developed by Howard C.McAllister
using SureMath,
The problem solving software for the 21st century.

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Copyright 1997. Howard C. McAllister