Percent Proportion

Front

What is percent proportion?

Back

Percent proportion is a way to express a number as a fraction of 100. It is often used to compare a part to a whole.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form) and then divide by 100.

Front

What is the formula to find the part when given the whole and the percentage?

Back

Part = (Percentage / 100) * Whole.

Front

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

Back

21 questions.

Front

What percent of 70 is 21?

Back

30%.

Front

What percent of 56 is 42?

Back

75%.

Front

If 198 is 33% of a number, how do you find that number?

Back

Number = 198 / (33/100) = 600.

Front

How do you find 60% of 145?

Back

60% of 145 = (60/100) * 145 = 87.

Front

What is the relationship between part, whole, and percent?

Back

The relationship is defined by the formula: Percent = (Part / Whole) * 100.

Front

What does it mean if a number is 100% of another number?

Back

It means that the number is equal to the whole number.