SureMath - the math software for 21st century problem
solving - was used to solve this problem.
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.
Download SureMath file
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The problem solution was developed by Howard C. McAllister using