Percent Proportion

Front

What is the formula to calculate the percent of a part compared to a whole?

Back

Percent = (Part / Whole) × 100

Front

If a movie theater has 250 seats and 225 are sold, how do you calculate the percent of empty seats?

Back

Percent of empty seats = ((Total seats - Sold seats) / Total seats) × 100

Front

What does it mean to find 'X is what percent of Y'?

Back

It means to find the value of X as a percentage of Y, calculated as (X / Y) × 100.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100 and add a percent sign.

Front

What is the percent grade if a student scores 12 out of 15 on a test?

Back

Percent grade = (12 / 15) × 100 = 80%.

Front

How do you find what percent one number is of another?

Back

Divide the first number by the second number and multiply by 100.

Front

If Eric earned 60 points out of 75, how do you calculate his percent grade?

Back

Percent grade = (60 / 75) × 100 = 80%.

Front

What is the percent of 50 compared to 20?

Back

Percent = (50 / 20) × 100 = 250%.

Front

What is the significance of the percent symbol (%) in calculations?

Back

The percent symbol represents a fraction out of 100.

Front

How do you find the percent increase or decrease?

Back

Percent change = ((New value - Old value) / Old value) × 100.