Reviewed by Jo-ann Caballes
What is 25% of 40?
Answer: 25% of 40 is 10
Finding a percentage of a number is a fundamental skill in mathematics, useful for calculating discounts, test scores, and much more. In this case, we're looking to find 25% of 40.
Methods
Math Tutor Explanation Using the Percentage Formula
You can calculate a percentage of any number by multiplying the number by the decimal form of the percentage.
Step 1: Step 1: Convert 25% to a decimal by dividing by 100 (25 ÷ 100 = 0.25)
Step 2: Step 2: Multiply 0.25 by 40 (0.25 × 40 = 10)
Math Tutor Explanation Using Fractions
Percentages can also be represented as fractions, making mental math easier for some problems.
Step 1: Step 1: Write 25% as the fraction 25/100, which simplifies to 1/4
Step 2: Step 2: Multiply 1/4 by 40 (1/4 × 40 = 10)
Step 1:
Step 2:
Math Tutor suggests: Practice More Percent Problems
Strengthen your understanding of calculating percentages of numbers with these related exercises.
FAQ on Calculating Percentages
How do I convert a percentage to a decimal?
Divide the percentage by 100 to get its decimal form.
What other methods can I use to find a percentage of a number?
You can use decimals, fractions, diagrams, or ratio methods.
What is 50% of 40?
50% of 40 is 20.
Why is knowing percentages useful?
Percentages are used in many everyday situations such as shopping, grades, statistics, and finance.
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