Percent Proportions

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents how much of something there is out of a total of 100.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What is the formula to find the total when given a part and its percentage?

Back

Total = Part / (Percentage / 100).

Front

If 5% of a total is 35, how do you find the total?

Back

Total = 35 / (5 / 100) = 700.

Front

What is the percentage of correct answers if a student answers 36 questions correctly out of 40?

Back

Percentage = (36 / 40) x 100 = 90%.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.

Front

What is the percentage score if a student gets 12 out of 15 questions correct?

Back

Percentage = (12 / 15) x 100 = 80%.

Front

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

Back

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

Front

If a student scores 85% on a test with 25 questions, how many questions did they answer correctly?

Back

Correct Answers = (85 / 100) x 25 = 21 questions.

Front

What is the formula to find what percent one number is of another?

Back

Percentage = (Part / Whole) x 100.