Percents and Percent Proportions #2

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 percent increase?

Back

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

Front

If a price increases from $50 to $70, what is the percent increase?

Back

40%.

Front

How do you find the number of correct answers from a percentage score?

Back

Correct Answers = (Percentage Score / 100) x Total Questions.

Front

A student scored 80% on a test with 50 questions. How many did they answer correctly?

Back

40 questions.

Front

What is 25% of a number?

Back

To find 25% of a number, multiply the number by 0.25.

Front

What is 25% of 80?

Back

20.

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percentage x Original Price).

Front

A phone originally priced at $800 is sold at a 25% discount. What is the sale price?

Back

$600.

Front

What is 15% of a number?

Back

To find 15% of a number, multiply the number by 0.15.