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how to find the original amount after percentage has been added. Rules to find the original price given the sale price and percent discount First consider the unknown original price as x. 400 100 percent - 20 percent x original price 100 percent minus 20 percent is 80 percent or 08.
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What was she earning before the pay raise. If you know the sales price and the markup percentage you can calculate the original price before the markup has been added. To find the actual discount multiply the discount rate by the original amount x.
The original cost was 600.
Rules to find the original amount given the result of a percentage increase or decrease. Expressed as an algebraic equation 400 08 Y where Y is the original price. To find the final amount add or subtract the increase or decrease to the original amount x and equate this to given final amount. Step 1 Get the percentage of the original number.
