Reviewed by Florence Khitsane
What is 80% of 25?
Answer: 80% of 25 is 20
Finding a percentage of a number is a common operation in math, useful for understanding proportions, discounts, and data analysis. In this example, we want to determine what 80 percent of 25 is, which involves converting the percentage to a decimal or fraction and applying it to the number.
Methods
Math Tutor Explanation Using the Decimal Method
This method involves converting the percentage to a decimal and then multiplying by the original number.
Step 1: Step 1: Convert 80% to a decimal by dividing by 100
Step 2: Step 2: Multiply the decimal (0.8) by 25
Math Tutor Explanation Using the Fraction Method
You can also write 80% as the fraction 80/100 which simplifies to 4/5, then multiply by 25.
Step 1: Step 1: Rewrite 80% as the fraction 4/5
Step 2: Step 2: Multiply 4/5 by 25 to get the answer
Step 1:
Step 2:
Math Tutor suggests: Practice More Percentage Calculations
Strengthen your skills with more exercises on finding percentages of numbers and related problems.
FAQ on Percentage Calculations
How do you convert a percent to a decimal?
Divide the percent by 100 (e.g., 80% becomes 0.8).
Why is finding a percentage useful?
It helps in calculating proportions, discounts, increases, and comparisons.
Can you find a percentage without a calculator?
Yes, by converting the percent to a fraction or decimal and doing basic multiplication.
Is there a shortcut for finding 50% of a number?
Yes, finding 50% of a number is the same as dividing the number by 2.
How can I estimate percentages quickly?
Round numbers to nearby values or use mental math to simplify calculations.
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