Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percent of a number?

Back

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

Front

What is the formula to find the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percent × Original Price) / 100.

Front

If a shirt originally costs $50 and is on sale for $30, what percent discount is applied?

Back

Discount Percent = [(Original Price - Sale Price) / Original Price] × 100 = [(50 - 30) / 50] × 100 = 40%.

Front

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

Back

Percent = (Part / Whole) × 100.

Front

How do you find what percent one number is of another?

Back

To find what percent one number (Part) is of another (Whole), use the formula: (Part / Whole) × 100.

Front

What is 8% of 200?

Back

8% of 200 = 0.08 × 200 = 16.

Front

If 90 is 30% of a number, what is the number?

Back

Number = 90 / 0.30 = 300.

Front

What is 62% of 250?

Back

62% of 250 = 0.62 × 250 = 155.

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 multiply by 100.