M7 - Unit 4 Flashcard Review - Percents

Front

What is percent change?

Back

Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate percent change?

Back

Percent Change = ((New Value - Original Value) / Original Value) x 100.

Front

What is the formula to find the percent grade?

Back

Percent Grade = (Points Earned / Total Points) x 100.

Front

If a product originally costs $60 and is on sale for $30, what is the percent decrease?

Back

Percent Decrease = ((60 - 30) / 60) x 100 = 50%.

Front

What is a 5% increase on $12?

Back

5% of $12 = 0.05 x 12 = $0.60. New amount = $12 + $0.60 = $12.60.

Front

How do you find the percentage of a total?

Back

Percentage = (Part / Whole) x 100.

Front

If 36% of 2400 calories come from fat, how many calories are from fat?

Back

Calories from fat = 0.36 x 2400 = 864 calories.

Front

What percent of 160 students is 96 students?

Back

Percent = (96 / 160) x 100 = 60%.

Front

What does it mean if a price decreases by 50%?

Back

It means the new price is half of the original price.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100.