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SureMath - the math software for 21st century problem solving - was used to solve this problem.
Problem Solution

There is often more than one solution path. The choice of starting point used here was based on the first condition encountered in reading the problem. This saves a lot of time in problems having, say 3 or 4 (or even more), conditions. No big, confusing decisions to make. Just start with the first one. To show that it doesn't make any difference where one starts we will work this again using the second condition.

Problem Solution
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The problem solution was developed by Howard C. McAllister using SureMath.

Home Page To Journal#numbers