Percent Problems

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 30% of 80, calculate 80 * 0.30 = 24.

Front

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

Back

The formula is: (Part/Whole) * 100 = Percentage. For example, if you have 16 correct answers out of 20, the percentage is (16/20) * 100 = 80%.

Front

If 24 is what percent of 60, how do you find the answer?

Back

To find what percent 24 is of 60, use the formula: (24/60) * 100 = 40%.

Front

What does it mean if a test score is 80%?

Back

An 80% test score means that the student answered 80 out of every 100 questions correctly, or in a specific case, 80% of the total questions.

Front

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

Back

To find the number of correct answers, multiply the total number of questions by the percentage (as a decimal). For example, for 80% of 20 questions: 20 * 0.80 = 16 correct answers.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by dividing the numerator by the denominator and then multiplying by 100. For example, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

How do you determine the percentage of empty seats in a theater?

Back

To find the percentage of empty seats, subtract the number of sold seats from the total seats, then divide by the total seats and multiply by 100. For example, (250 - 225) / 250 * 100 = 10% empty.

Front

What is 30% of 80?

Back

30% of 80 is calculated as 80 * 0.30 = 24.

Front

If a student scored 60 points out of 75, how do you find the percent grade?

Back

To find the percent grade, use the formula: (60/75) * 100 = 80%.