Convert the discount into a decimal equivalent by removing the percent sign and placing the decimal 2 places to the left of the number in front of the percent sign. (25% = .25; 5% = .05, etc.). Then multiply the number that you want to find the discount for by the decimal equivalent. Example: to find how much 250 with a 15% discount is, multiply 250 x .15 (250 x .15 = 37.50).
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Discount = Original Price - Discounted Price Percentage Discount = 100* Discount / Original Price
Discount = Original Price minus Sale price.
You need to know the discounted price and either the discount amount or the discount rate. If you know the discount amount: Original Price = Discounted Price + Discount If you know the Discount Rate (percentage discount ): Original Price = 100*Discounted Price / (100 - Discount Rate)
Percentage discount = 100*(1 - sale price/original price)
To calculate the sale price of the television after a 30% discount, you first need to find the amount of the discount. 30% of $459 is $137.70. Subtract this discount from the original price to find the sale price: $459 - $137.70 = $321.30. Therefore, the sale price of the television after the 30% discount is $321.30.