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Old December 30th, 2008, 06:43 AM
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Quote:
Originally Posted by Russian View Post
so you use the formula and then plug the answer as k?
Example: d = rt (distance = rate X time)

Let r be the constant of variation.

The distance (d) varies directly as time (t) if r remains constant. In other words, when t increases, d increases. When t decreases, d decreases.

Follow some of the links I gave you and you'll see other examples.

Also, investigate inverse and joint variation as well.
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