Unit 4 Review: 7.4B,7.4D

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What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

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How do you calculate a percentage discount?

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To calculate a percentage discount, multiply the original price by the discount percentage (as a decimal), then subtract that amount from the original price.

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What is the formula to find the original price from a discounted price?

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Original Price = Discounted Price / (1 - Discount Percentage)