2. Finding Procedures
Sometimes you will find that even if you have selected all of the relevant information, no
solution presents itself. You then have to find a method or procedure which you can use to
generate a solution. Typically you will have three or four numbers which have to be
operated on. This aspect of Problem Solving is called Finding Procedures.
Three thermometers are each accurate to within 2 degrees above or below the
temperature they actually read. One reads 7°, one reads 9° and one reads 10°.
What is the minimum range in which the true temperature lies?
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