7th Grade Percent Unit Review

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What is a percent?

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A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

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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 50, calculate 50 * 0.20 = 10.

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What does a 40% discount mean?

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A 40% discount means that the price is reduced by 40% of the original price. For example, if an item costs $100, a 40% discount would reduce the price by $40, making it $60.

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If a jacket costs $85 and is on sale for 40% off, how much do you pay?

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You pay $51. Calculation: 40% of $85 is $34, so $85 - $34 = $51.

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Back

It represents a 12% decrease in the value of x.

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How do you convert a fraction to a percent?

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What is the formula for calculating percent increase?

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What is the formula for calculating percent decrease?

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Front

If a product's price increases from $50 to $60, what is the percent increase?

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Front

If a product's price decreases from $80 to $60, what is the percent decrease?

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