Reviewed by Jo-ann Caballes
What is 20% of 30?
Answer: 20% of 30 is 6
Finding a percentage of a number is a fundamental math skill that helps in situations like calculating discounts, tips, or proportions. In this case, you're asked to determine what 20 percent of 30 is—a useful calculation in many everyday scenarios.
Methods
Math Tutor Explanation Using the Percent to Decimal Method
This method converts the percentage to a decimal and multiplies by the whole number.
Step 1: Step 1: Convert 20% to a decimal by dividing by 100, getting 0.2
Step 2: Step 2: Multiply 0.2 by 30 to get the answer
Math Tutor Explanation Using the Fraction Method
You can think of 20% as the fraction 20/100 and multiply by 30.
Step 1: Step 1: Write 20% as the fraction 20/100
Step 2: Step 2: Multiply 20/100 by 30, which equals 6
Step 1:
Step 2:
Math Tutor suggests: Practice More Percentage Calculations
Keep improving your percentage calculation skills with these similar exercises and questions.
FAQ on Calculating Percentages
How do you convert a percent to a decimal?
Divide the percent by 100 or move the decimal two places to the left.
Why is calculating percentages useful?
Percentages help compare values, find proportions, and solve problems in shopping, finance, and statistics.
What is 50% of a number?
50% of any number is half that number.
Can this method be used for any percentage calculation?
Yes, convert the percentage to a decimal or a fraction and multiply by the given number.
What is 30% of 20?
30% of 20 is 6.