Percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and express proportions.

Front

How do you calculate a percentage of a number?

Back

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

Front

What is 40% of 200?

Back

80

Front

If you have 500 and spend 35% of it, how much do you spend?

Back

175

Front

What is 75% of 24?

Back

18

Front

If 75% of a class are boys, what percent are girls?

Back

25% of the class are girls.

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 multiply by 100.

Front

What is 12% of 7800?

Back

936

Front

If a student scores 80% on a test with 50 questions, how many questions did they answer correctly?

Back

40 questions.

Front

What does it mean if something increases by 10%?

Back

It means the new amount is 110% of the original amount.