There's a couple of ways. Multiply the price by the percent and subtract that total from the price or multiply the price by 1.00 minus the percent. The second way sounds more difficult but it's easier if you try it. To take 15 percent off a marked price, multiply the price by 0.85
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If the original prtice is say £80.00
They calculate 7% of £80.00
Hence 80 X 7 / 100 = 5.60
Decduct £5.60 from £80,00 = £74.40 is a 7% reduction.
-- subtract the percent off from 100 -- divide the sale price by the answer -- multiply that answer by 100, and you have the original price
First you calculate 40% of the original price, which is .4 times original price. Then you subtract that number from the original price to get 40% off. For example, if a pair of shoes originally costs $10 but is 40% off, then you would calculate .4 x 10, which is 4, then subtract 4 from 10, which is 6. So 40 percent off of 10 is 6.
Multiply the 8.40 by 35, and divide by 100, this gives 2.94. Subtract the 2.94 from the original price (8.40) and you get 5.46
You do one of two things. Take the original price, multiply it by .15, and then subtract the result from the original. Or you can multiply the original by .85 (1.00-.15) and get the reduced price immediately.
To calculate 15 percent off 129.99, you first convert 15 percent to a decimal by dividing by 100, giving you 0.15. Then, you multiply 129.99 by 0.15 to find the discount amount, which equals 19.4985. Finally, subtract the discount amount from the original price to get the final price after the discount, which is approximately $110.49.