It's All About Percents!!!

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What is a percent?

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A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'.

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How do you calculate a percentage of a number?

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To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 90, calculate 90 * 0.20 = 18.

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What does it mean when a number is a certain percent of another number?

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It means that the first number is that fraction of the second number. For example, if 26 is 5% of a number, it means that 26 is 5 out of every 100 parts of that number.

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How do you find what number a percentage is of?

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To find what number a percentage is of, divide the part by the percentage (in decimal form). For example, if 26 is 5% of a number, divide 26 by 0.05 to find the number.

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What is a discount?

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A discount is a reduction in the price of a product or service, usually expressed as a percentage.

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How do you calculate the final price after a discount?

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To calculate the final price after a discount, subtract the discount amount from the original price. For example, if an item costs $10 and has a 20% discount, the discount is $2, so the final price is $10 - $2 = $8.

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What is sales tax?

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Sales tax is a percentage added to the price of goods and services, collected by the seller and paid to the government.

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How do you calculate the final price including tax?

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To calculate the final price including tax, multiply the original price by the tax rate (in decimal form) and add it to the original price. For example, for a $10 item with a 10% tax, the final price is $10 + ($10 * 0.10) = $11.

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What does it mean to subtract a discount from a price?

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Subtracting a discount from a price means to reduce the original price by the amount of the discount.

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What is the formula to find a percentage of a number?

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The formula to find a percentage of a number is: (Percentage / 100) * Number.