Always convert a percent to a decimal first even if you need he answer to be a fraction.

When converting a decimal to a fraction just put the number over a 1 with as many zeroes as there are numbers after the decimal.

This .0405 becomes 405/10000 - the first zero is not necessary.

When converting a fraction to a decimal divide the numerator by the denominator - remember the invisible decimal.

Go over your work checking for any errors.

A scrap box should be used to do the calculations. Try not to get into the habit of doing your scrap work on another piece of paper. It is much easier to find a mistake if all the work is in front of you and located close to the problem.

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(See www.macromedia.com)

Are you still taking notes?

Remember you can repeat the movies as often as you need to.