Intro to 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 '%'.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

What is 50% of 200?

Back

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 the percent symbol (%). For example, 0.75 becomes 75%.

Front

What percent is 30 out of 150?

Back

20% (30 divided by 150 equals 0.2, which is 20% when multiplied by 100).

Front

What is 0.25 written as a percent?

Back

25% (0.25 multiplied by 100 equals 25).

Front

If 60% of a class are girls, what fraction of the class are girls?

Back

3/5 (60% is equivalent to 60/100, which simplifies to 3/5).

Front

What is the percent increase from 50 to 75?

Back

50% (The increase is 25, and 25 is 50% of 50).

Front

What is 10% of 500?

Back

50 (10% of 500 is calculated by multiplying 500 by 0.10).

Front

How do you find the percent of a number?

Back

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