Percents & Percent Proportions

Front

What is a percent?

Back

A percent is a ratio that compares a number to 100. It is often used to express how much of something there is in relation to a whole.

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 is the formula to find the part when given the whole and the percent?

Back

Part = Whole × (Percent / 100)

Front

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

Back

Whole = Part / (Percent / 100)

Front

What is 10% of 50?

Back

5

Front

What is 20% of 200?

Back

40

Front

What is 15% of 300?

Back

45

Front

If 25 is 50% of what number?

Back

50

Front

What is 75% of 80?

Back

60

Front

How do you find the percent when given the part and the whole?

Back

Percent = (Part / Whole) × 100