Percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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. For example, 2/5 = (2 ÷ 5) × 100 = 40%.

Front

What is 25% as a decimal?

Back

25% as a decimal is 0.25.

Front

How do you find a percent of a number?

Back

To find a percent of a number, multiply the number by the percent (in decimal form). For example, to find 20% of 50, calculate 50 × 0.20 = 10.

Front

What is 150% of $20?

Back

150% of $20 is $30.

Front

If 65% of students buy lunch, what percent do not buy lunch?

Back

If 65% buy lunch, then 100% - 65% = 35% do not buy lunch.

Front

How do you calculate the percent of a total?

Back

To calculate the percent of a total, divide the part by the total and multiply by 100. For example, if 30 out of 100 students pass, the percent is (30 ÷ 100) × 100 = 30%.

Front

What fraction is equivalent to 50%?

Back

50% is equivalent to the fraction 1/2.

Front

How do you express 40% as a fraction?

Back

40% can be expressed as the fraction 2/5.

Front

What is the percent of non-fiction books if there are 90 non-fiction books and 110 fiction books?

Back

The percent of non-fiction books is (90 ÷ (110 + 90)) × 100 = 45%.