Reviewed by Jo-ann Caballes
What is 20% of 25?
Answer: 20% of 25 is 5
Finding a percentage of a number is a common operation in math that helps determine what part of a whole a percentage represents. In this problem, we are asked to find 20% of 25, which can be done using simple multiplication or by converting the percent to a fraction or decimal.
Methods
Math Tutor Explanation Using the Multiplication Method
To find a percentage of a number, you can convert the percentage to a decimal and multiply by the number.
Step 1: Step 1: Convert 20% to a decimal by dividing 20 by 100, which gives 0.2
Step 2: Step 2: Multiply 0.2 by 25 to get 5
Math Tutor Explanation Using the Fraction Method
Percent means 'per hundred,' so 20% can be written as the fraction 20/100.
Step 1: Step 1: Express 20% as the fraction 20/100
Step 2: Step 2: Multiply 25 by 20/100 to get 5
Step 1:
Step 2:
Math Tutor suggests: Practice More Percentage Calculations
Strengthen your skills with these related percentage problems and exercises.
FAQ on Percentage Calculations
How do you convert a percent to a decimal?
Divide the percent by 100 to get the decimal form.
What is the general formula for finding a percentage of a number?
Multiply the number by the percent as a decimal.
Can I find the percentage of a number by using fractions?
Yes, write the percent as a fraction over 100 and multiply.
Are percent and fractions related?
Yes, percent means 'per hundred,' which is the same as writing the number over 100.
How do I check my answer for a percentage problem?
Recalculate using both the decimal and fraction method to be sure the answer matches.
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