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 '%'. For example, 25% means 25 out of 100.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What is the formula to find the part when given the percentage and the whole?

Back

The formula is: Part = (Percentage/100) x Whole.

Front

If 20% of a class of 30 students passed a test, how many students passed?

Back

6 students passed. (20/100) x 30 = 6.

Front

How do you convert a fraction to a percent?

Back

Front

What is the percentage increase if a price goes from $50 to $60?

Back

The percentage increase is 20%. Formula: ((New Price - Old Price) / Old Price) x 100 = ((60 - 50) / 50) x 100 = 20%.

Front

How do you find the percentage decrease?

Back

To find the percentage decrease, use the formula: ((Old Value - New Value) / Old Value) x 100.

Front

If 40 out of 200 students are absent, what percentage of students are absent?

Back

20% of the students are absent. (40/200) x 100 = 20%.

Front

What does it mean if a store has a 30% off sale?

Back

It means that the price of items is reduced by 30% from the original price.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100.