Percent Proportions MA7

Front

What is the definition of percent?

Back

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

Front

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

Back

Percent = (Part / Whole) × 100

Front

If 30 is 25% of a number, how do you find that number?

Back

To find the number, use the formula: Number = Part / (Percent / 100). So, Number = 30 / (25 / 100) = 120.

Front

What is 5% of 200?

Back

5% of 200 = (5 / 100) × 200 = 10.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

What percent is 50 out of 200?

Back

Percent = (50 / 200) × 100 = 25%.

Front

If 10 is 0.2% of a number, how do you find that number?

Back

Number = Part / (Percent / 100). So, Number = 10 / (0.2 / 100) = 5000.

Front

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

Back

Percent is the ratio of the part to the whole, expressed as a fraction of 100.

Front

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

Back

Use the formula: Percent = (Part / Whole) × 100.

Front

If 17 is 5% of a number, what is that number?

Back

Number = 17 / (5 / 100) = 340.