Percents & Conversions

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 percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 65% becomes 0.65 (65 ÷ 100 = 0.65).

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100. For example, 0.75 becomes 75% (0.75 × 100 = 75%).

Front

What is the decimal representation of 25%?

Back

0.25

Front

If 40% of a class are girls, what percent are boys?

Back

60% of the class are boys (100% - 40% = 60%).

Front

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

Back

The formula is: (Part/Whole) × 100 = Percent.

Front

If 15 out of 60 students passed a test, what percent passed?

Back

25% passed (15 ÷ 60 = 0.25, then 0.25 × 100 = 25%).

Front

What does it mean if a student scores 80% on a test?

Back

It means the student answered 80 out of 100 questions correctly.

Front

How do you find the part when given the percent and the whole?

Back

Use the formula: Part = (Percent/100) × Whole.

Front

What is 10% of 200?

Back

20 (10% of 200 is calculated as 0.10 × 200 = 20).