Percent Proportions SB

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, use the formula: (part/whole) x 100.

Front

What is the formula to find what percent one number is of another?

Back

The formula is: (part/whole) x 100 = percent.

Front

If 72 is what percent of 150, how do you set up the equation?

Back

Set up the equation as: (72/150) x 100 = percent.

Front

What is 12 as a percent of 30?

Back

To find this, use the formula: (12/30) x 100 = 40%.

Front

What does it mean if a number is 100% of another number?

Back

It means that the two numbers are equal.

Front

If a number increases by 20%, what is the new value?

Back

The new value is the original value plus 20% of the original value.

Front

What is a proportion?

Back

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

Front

How can you express 50% as a fraction?

Back

50% can be expressed as 1/2.

Front

What is the relationship between fractions and percents?

Back

Fractions can be converted to percents by multiplying by 100.