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What is 20% of 10?
Answer: 20% of 10 is 2
Finding a percentage of a number is a common operation in mathematics, often used to determine parts of a whole or compare quantities. In this case, you are asked to find what 20% of 10 is, which means calculating 20 percent out of the total value 10.
Methods
Math Tutor Explanation Using the Percentage Formula
This method involves converting the percentage to a decimal and then multiplying by the number.
Step 1: Step 1: Convert 20% to a decimal by dividing 20 by 100
Step 2: Step 2: Multiply 0.20 by 10 to get 2
Math Tutor Explanation Using Proportion Method
This approach sets up a proportion to find the part that corresponds to 20% of 10.
Step 1: Step 1: Recognize that 20% means 20 out of every 100
Step 2: Step 2: Set up the proportion 20/100 = x/10, then solve for x by cross-multiplying and dividing to get x = 2
Step 1:
Step 2:
Math Tutor suggests: Practice More Percentage Calculations
Expand your understanding of percentages by working through these related questions involving percentage calculations.
FAQ on Calculating Percentages
How do I convert a percentage to a decimal?
Divide the percentage by 100, for example, 20% becomes 0.20
Is 20% of 10 the same as 10% of 20?
Yes, both result in the value 2
Can I use a calculator for percentage calculations?
Yes, most calculators have a percent function or you can manually multiply the decimal form by the number
What are common uses of percentages?
Percentages are used for discounts, interest rates, statistics, and analyzing data
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