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 what percent one number is of another?

Back

To find what percent one number (A) is of another number (B), use the formula: (A/B) * 100.

Front

What is the percent proportion formula?

Back

The percent proportion formula is: part/whole = percent/100.

Front

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

Back

The number is 200, because 50 = 25% of 200.

Front

What is 10% of 200?

Back

10% of 200 is 20.

Front

If 30 is what percent of 150?

Back

30 is 20% of 150.

Front

What is the relationship between fractions and percents?

Back

Fractions can be converted to percents by multiplying by 100.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign.

Front

What is 75% expressed as a fraction?

Back

75% can be expressed as the fraction 3/4.

Front

If 120 is what percent of 40?

Back

120 is 300% of 40.