SOLUTION: How do you add and subtract percent.

Question 230638: How do you add and subtract percent.
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
500 - 20% of 500 = 500 - .2*500 = 500 = 100 = 400

x% of anythikng is equal to x%/100% of that thing.

Example:
10% of x = .1 * x

20% of y = .2 * y

etc.

I would need a specific problem to go any further because I'm not sure what you are asking.

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