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 to find the percent of a number?

Back

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

Front

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

Back

The number is 50, because 25 is half of 50.

Front

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

Back

It means the new price is 120% of the original price.

Front

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

Back

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

Front

What is the percent increase from 40 to 50?

Back

The percent increase is 25%, calculated as ((50-40)/40) x 100.

Front

What is the percent decrease from 80 to 60?

Back

The percent decrease is 25%, calculated as ((80-60)/80) x 100.

Front

If 72 is what percent of 150?

Back

72 is 48% of 150, calculated as (72/150) x 100.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.