To subtract a percentage from a price, convert the percentage into a decimal and multiply the decimal by the price. The answer is the amount to subtract from the original price.
Continue ReadingTo subtract 25 percent from a price of $20, first convert 25 percent into a decimal. The decimal form of 25 percent is .25, which represents 25 out of a total of 100. Next, multiply the decimal by the original price. Twenty multiplied by .25 equals 5. Thus, 25 percent of the $20 price is $5. Subtracting 25 percent of the price is the same as subtracting $5 from the price. In this example, an item that costs $20 with a 25 percent discount is sold for $15.
Learn more about ArithmeticMoving decimals is an easy method of multiplying numbers containing two numerals after a decimal, with a check at the end to ensure that the decimals are properly placed after the multiplication process is complete. All that's required is ignoring decimal placement when solving the problem and then determining just where the decimal should be returned after completion.
Full Answer >To round a decimal, identify the place value you want to round, which is referred to as the rounding digit. Identify the number immediately to the right of the rounding digit. If the number immediately to the right of the rounding digit is less than five, don't change the rounding digit, and drop all digits to the right. If the number to the right of the rounding digit is greater than five, add one to the rounding digit, and remove all digits to the right.
Full Answer >To find the markup of goods, the formula to use is selling price of product = product cost + markup. An example of this type of problem is when a retailer buys an item at $6 (cost) and sells it at $7.20. Using the formula and this information, students can calculate the markup and the markup percent rate.
Full Answer >To calculate the sale price of an item, first convert the percentage of the discount to a decimal. Next, multiply this decimal by the original price, and then subtract the result from the original price. The result is the sale price.
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