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The quickest way is to multiply the full price by 0.2 That is the amount of the discount.
I always use a factor of ten. Assume no matter what the discount is it is ten percent to find a ten percent discount just move the decimal point one space to the left, then take that number and subtract it from the original cost. Then in order to find a different percent discount just multiply the ten percent discount by the percent discount you are looking for, but move the decimal one space to the left again, and subtract that from the original cost. Example: something that costs $45 is on sale for 25% off. A ten percent discount would be $4.50. Multiply that by 2.5 to get$11.50. Then subtract that from the original cost to get $33.50. P.S. often times if you don't need the exact answer it is easier to round you numbers to get rid of the .5 to make the math easier.
To find the discount of something, you need to take whatever percent the discount is, turn it into a decimal, and multiply it by the price of the discounted item. Example: You want to buy something that is $10.00 The item has a 25% discount. take 10 and multiply it by .25 Discount: $2.50
To determine what 25 percent of a number is, multiply the number by 0.25
Discount divided by original price gives you a decimal which you then multiply by 100. This equals percent of discount Eg: $15 discount, $80 original price 15 / 80 = 0.1875 x 100 = 18.75%
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Multiply the price by 0.2 to get the amount of the discount. Multiply the price by 0.8 if you want to know the after sale price.
The quickest way is to multiply the full price by 0.2 That is the amount of the discount.
I always use a factor of ten. Assume no matter what the discount is it is ten percent to find a ten percent discount just move the decimal point one space to the left, then take that number and subtract it from the original cost. Then in order to find a different percent discount just multiply the ten percent discount by the percent discount you are looking for, but move the decimal one space to the left again, and subtract that from the original cost. Example: something that costs $45 is on sale for 25% off. A ten percent discount would be $4.50. Multiply that by 2.5 to get$11.50. Then subtract that from the original cost to get $33.50. P.S. often times if you don't need the exact answer it is easier to round you numbers to get rid of the .5 to make the math easier.
How to calculate sale price if marked price and percent discount are given:First change the percent discount to a decimal.You then multiply the percent discount in decimal form by the marked price.Finally, you subtract the answer from the multiplication problem from the marked price, and get your final answer!
To find the discount of something, you need to take whatever percent the discount is, turn it into a decimal, and multiply it by the price of the discounted item. Example: You want to buy something that is $10.00 The item has a 25% discount. take 10 and multiply it by .25 Discount: $2.50
To determine what 25 percent of a number is, multiply the number by 0.25
The discount on the coat is $34. To find the percentage discount, you divide the discount ($34) by the original price ($200) and multiply by 100. This gives you a discount of 17%.
All you need to do to calculate percentages is multiply the decimal form of the percent to any number. In this case, you would multiply 0.3 by 47.5 and get 14.25.
Discount divided by original price gives you a decimal which you then multiply by 100. This equals percent of discount Eg: $15 discount, $80 original price 15 / 80 = 0.1875 x 100 = 18.75%
Numbers with two decimal points scare me. Whatever the original price was, multiply it by 0.3 to find out how much you'll save. Multiply it by 0.7 to find out the new price.
Take the amount saved, divide it by discount percentage then multiply the result by 100.