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To take a percentage of a price, multiply the price by the decimal equivalent of the percentage, which is the percentage divided by 100.
25 percent of 15.00 - 15 x 0.25 = 3.75
To take a percentage off a price, you can either subtract that number from the original price (15.00 - 3.75 = 11.25) or multiply the original price by the decimal equivalent of 100 percent minus the discount.
15 x 0.75 = 11.25
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Where would you give percentages in everyday life?
you would find percentages in cooking sale prices grades
Can you take four percentages divide by four to get an average of the four percentages?
Yes add the 4 percentages together then divide them by 4 to obtain the average percentage
How do you calculate improved percentages?
Percentages are percentages - simple! The marketing people have not yet come up with "new improved" percentages.
When do you use percentages outside of maths at school?
Some of the many examples are calculating tax, discounts/sale prices, interest, gratuities (tips), grades, pay increases.
What are the rules of percentages maths?
The answer depends on what you are trying to do with the percentages.
