3.1-3.2 Flashcard: Percent proportions

Front

What is the formula to find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). Formula: (Percentage/100) * Number.

Front

What is 56% of 475?

Back

266

Front

What is 2% of 250?

Back

5

Front

What percent of 64 is 16?

Back

25%

Front

What percent of 400 is 252?

Back

63%

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 of a part compared to a whole?

Back

Percentage = (Part/Whole) * 100.

Front

If 34 out of 40 students passed a quiz, how do you find the percentage of students who passed?

Back

Percentage of students who passed = (34/40) * 100 = 85%.

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages are a way to express a fraction out of 100. A percentage can be converted to a decimal by dividing by 100.

Front

What is 10% of a number?

Back

To find 10% of a number, divide the number by 10.