percents

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What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply the result by 100. For example, 1/4 = 0.25, and 0.25 x 100 = 25%.

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

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The formula to find the percent of a number is: (Percent / 100) x Total = Part. For example, to find 20% of 50, calculate (20/100) x 50 = 10.

Tags

CCSS.6.RP.A.3C

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What does it mean to increase a number by a percent?

Back

To increase a number by a percent means to add that percent of the number to the original number. For example, increasing 100 by 20% means adding 20 (which is 20% of 100) to 100, resulting in 120.

Tags

CCSS.6.RP.A.3C

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What does it mean to decrease a number by a percent?

Back

To decrease a number by a percent means to subtract that percent of the number from the original number. For example, decreasing 100 by 20% means subtracting 20 (which is 20% of 100) from 100, resulting in 80.

Tags

CCSS.6.RP.A.3C

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How do you find the percent change?

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Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) x 100. For example, if a price increases from $50 to $60, the percent change is ((60 - 50) / 50) x 100 = 20%.

Tags

CCSS.6.RP.A.3C

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What is a markup percentage?

Back

Markup percentage is the amount added to the cost price of a product to determine its selling price, expressed as a percentage of the cost price. For example, if a product costs $20 and is sold for $30, the markup percentage is ((30 - 20) / 20) x 100 = 50%.

Tags

CCSS.6.RP.A.3C

Front

What is a discount percentage?

Back

A discount percentage is a reduction from the original price of a product, expressed as a percentage. For example, if a $100 item is on sale for $80, the discount percentage is ((100 - 80) / 100) x 100 = 20%.

Tags

CCSS.6.RP.A.3C

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How do you calculate the final price after a discount?

Back

To calculate the final price after a discount, subtract the discount amount from the original price. For example, if an item costs $100 and has a 20% discount, the discount amount is $20, so the final price is $100 - $20 = $80.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.