Percents and Percent Proportions

Front

What is a percent?

Back

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

Front

How do you calculate a percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, 25% of 80 is calculated as 80 * 0.25 = 20.

Tags

CCSS.6.RP.A.3C

Front

What is a markup?

Back

A markup is the amount added to the cost price of goods to cover overhead and profit.

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CCSS.6.RP.A.3B

Front

How do you find the original price after a markup?

Back

To find the original price after a markup, divide the selling price by (1 + markup rate). For example, if a laptop sells for $1200 after a 20% markup, the original price is $1200 / 1.20 = $1000.

Tags

CCSS.6.RP.A.3C

Front

What is depreciation?

Back

Depreciation is the reduction in the value of an asset over time, often due to wear and tear.

Front

How do you calculate the new value of an asset after depreciation?

Back

To calculate the new value after depreciation, subtract the depreciation amount from the original value. For example, if a car worth $20000 depreciates by 15%, the new value is $20000 - ($20000 * 0.15) = $17000.

Tags

CCSS.6.RP.A.3C

Front

What is a percent decrease?

Back

A percent decrease is a measure of how much a quantity has decreased relative to its original value, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, subtract the new value from the original value, divide by the original value, and multiply by 100. For example, if a shirt costs $40 and is now $32, the percent decrease is (($40 - $32) / $40) * 100 = 20%.

Tags

CCSS.6.RP.A.3C

Front

What is a discount?

Back

A discount is a reduction in the price of a product or service.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the new price after a discount?

Back

To calculate the new price after a discount, subtract the discount amount from the original price. For example, if a product costs $200 and has a 20% discount, the new price is $200 - ($200 * 0.20) = $160.

Tags

CCSS.6.RP.A.3C