Percent Proportion Word Problems

Front

What is a percent proportion?

Back

A percent proportion is a way to express a part of a whole as a percentage. It is often used to solve problems involving discounts, interest rates, and comparisons.

Front

How do you set up a percent proportion problem?

Back

To set up a percent proportion, you can use the formula: (part/whole) = (percent/100). This helps to find the unknown value.

Front

What does 'percent' mean?

Back

Percent means 'per hundred.' It is a way to express a number as a fraction of 100.

Front

If 25% of a number is 50, what is the number?

Back

The number is 200. (25/100) * x = 50, so x = 50 * (100/25) = 200.

Front

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

Back

The formula is: Percent = (Part/Whole) * 100.

Front

How do you convert a fraction to a percent?

Back

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

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

The sale price is $30. (25/100) * 40 = 10, so 40 - 10 = 30.

Front

What is the relationship between percent, decimal, and fraction?

Back

Percent is a fraction with a denominator of 100, and it can also be expressed as a decimal by dividing by 100.

Front

If you scored 18 out of 20 on a test, what percent did you score?

Back

You scored 90%. (18/20) * 100 = 90.

Front

What is a real-world example of using percent proportions?

Back

Calculating sales tax is a real-world example. If an item costs $50 and the tax rate is 8%, the tax amount is $4.