Percent Flashcard

Front

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

Back

Percentage = (Part / Whole) * 100

Front

If a student scores 80% on a test with 30 questions, how do you calculate the number of correct answers?

Back

Correct Answers = (Percentage / 100) * Total Questions = (80 / 100) * 30 = 24

Front

How do you find 20% of a number?

Back

To find 20% of a number, multiply the number by 0.20.

Front

What is 25% of 32 games?

Back

25% of 32 games = 0.25 * 32 = 8 games.

Front

How do you calculate the final price after applying a percentage discount?

Back

Final Price = Original Price - (Discount Percentage * Original Price)

Front

If a jacket costs $80 and is on sale for 20% off, how do you calculate the sale price?

Back

Sale Price = Original Price - (0.20 * Original Price) = $80 - $16 = $64.

Front

What does it mean to find a percentage of a total?

Back

Finding a percentage of a total means calculating how much a certain percentage represents in terms of the total amount.

Front

How can you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying the fraction by 100.

Front

If 360 runners are in a race and 20% are men, how do you find the number of men?

Back

Number of Men = 20% of 360 = 0.20 * 360 = 72 men.