Percent: Percent of Change, Taxes, Tips, Discounts, Interest

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What is percent of change?

Back

Percent of change is a way to express how much a quantity has increased or decreased in relation to its original amount, calculated as (new value - old value) / old value x 100%.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the percent of increase?

Back

To calculate the percent of increase, use the formula: ((new value - old value) / old value) x 100%.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the percent of decrease?

Back

To calculate the percent of decrease, use the formula: ((old value - new value) / old value) x 100%.

Tags

CCSS.6.RP.A.3C

Front

Convert 0.5 to a percent.

Back

50%.

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Convert 1.25 to a percent.

Back

125%.

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What is 25% of 200?

Back

50.

Tags

CCSS.6.RP.A.3C

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What is 10% of 150?

Back

15.

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $40 and is on sale for $30, what is the percent discount?

Back

25% discount.

Tags

CCSS.6.RP.A.3C

Front

If you earn $200 and give a 15% tip, how much is the tip?

Back

$30.

Tags

CCSS.6.RP.A.3C

Front

If a product originally costs $80 and is now $60, what is the percent of change?

Back

25% decrease.

Tags

CCSS.6.RP.A.3C