The first equation is the result of solving the problem. The beginning step of the problem solving process is not available to the reader.
The solution presented below shows how the solution was obtained.
Note the consistent use of mathematics in solving this problem.
Please comment Comments are appreciated and contribute very much to developing these pages.
The problem solution was developed by
Howard C. McAllister
using
SureMath
.
Problem adapted from The Mathematics Teacher, March 1996