Percent Word Problems

Front

What is a percent?

Back

A percent is a way of expressing 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 numerator by the denominator and then multiply by 100.

Front

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

Back

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

Front

If 20% of a number is 50, what is the number?

Back

The number is 250, because 50 = 0.20 × Number, so Number = 50 / 0.20.

Front

How do you find the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) × 100.

Front

How do you find the percent decrease?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) × 100.

Front

What is 75% as a fraction?

Back

Front

If a class has 30 students and 12 passed a test, what percent passed?

Back

40% passed, because (12 / 30) × 100 = 40.

Front

What is 30% of $50?

Back

30% of $50 is $15, because 0.30 × 50 = 15.

Front

If 18 out of 24 students passed, what percent did not pass?

Back

25% did not pass, because 6 students did not pass, and (6 / 24) × 100 = 25.