Originally Posted By: Paul
cost = 1 dollar / 1 dollar = 1 dollar

Wrong!
1 dollar / 1 dollar = (1 * dollar) / (1 * dollar) = (1 / 1) * (dollar / dollar) = 1 * 1 = 1

Don't forget to include the units in the calculation, that is elementary algebra.

You had better learn a bit more math before you start running down other peoples math.

Bill Gill

C is not the speed of light in a vacuum.
C is the universal speed limit.