Percent Proportions

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 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

What is the formula for finding a percent of a number?

Back

The formula is: Percent of a number = (Percent / 100) * Number.

Front

What is 50% of 200?

Back

100

Front

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

Back

To find the whole, use the formula: Whole = Part / (Percent / 100).

Front

What is 25% of 80?

Back

20

Front

If 30% of a number is 45, what is the number?

Back

150

Front

What does it mean if a price is marked down by 20%?

Back

It means the price is reduced by 20% of its original amount.

Front

How do you calculate the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is 10% of 150?

Back

15