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discount means a deduction from the regular price of something

Formula for getting the discount:

discounted price = regular price minus (% off multiplied by the regular price)

Example:

30% off of $100

= 30% discount applied to $100

= $100 - (30% * $100)

= $100 - (0.30 * $100)

= $100 - $30

= $70

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12y ago

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Q: What is the mathematical equation for finding the cost of something with discounts and percents?
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