Percents #2

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 20% of a number?

Back

To calculate 20% of a number, multiply the number by 0.20 (or divide by 5). For example, 20% of 60 is 60 x 0.20 = 12.

Front

If a meal costs $60 and a 20% tip is added, how much is the tip?

Back

The tip is $12, calculated as 60 x 0.20.

Front

What is the formula to find a percentage of a number?

Back

The formula is: (Percentage / 100) x Total Number.

Front

How do you find 40% of 200?

Back

To find 40% of 200, multiply 200 by 0.40. So, 200 x 0.40 = 80.

Front

If 55% of a number is 132, how do you find the original number?

Back

Divide 132 by 0.55. The original number is 240.

Front

What is 30% of 240?

Back

30% of 240 is 72, calculated as 240 x 0.30.

Front

How do you calculate profit percentage?

Back

Profit percentage is calculated as (Profit / Cost Price) x 100.

Front

If a car is sold for $7800 with a profit of 12%, how much profit is made?

Back

The profit is $936, calculated as 7800 x 0.12.

Front

What does it mean if 50% of a class are boys?

Back

It means that half of the total students in the class are boys.