15% of 80 is 12.
We are asked to find 15 percent of 80.
- \frac{15}{100}
First, write 15 percent as a fraction, which is 15 divided by 100.
- \frac{15}{100} \times 80
Now multiply this fraction by 80 to find 15 percent of 80.
- \frac{1200}{100}checked
Multiply 15 by 80 and then divide by 100.
- 12checked
Divide 1200 by 100 to get the answer.
Answer
12
15 percent of 80 is 12.
Every ticked line was worked again and checked by the computer (SymPy 1.11.1).
- Step 1: We write 15% as a fraction, 15/100, because 'percent' means 'out of 100'.
- Step 2: We multiply this fraction by 80 because '15% of 80' means '15 out of every 100 parts of 80'.
- Step 3: Multiplying 15 by 80 gives 1200. We divide by 100 to find out how many parts that is out of 100.
- Step 4: 1200 divided by 100 is 12. So, 15% of 80 is 12.
Imagine you have ₹80. If you spend 15% of it, you spend ₹12. If you get 15 marks out of every 100, for 80 marks, you get 12 marks.
- Forgetting to divide by 100: Some students just multiply 15 × 80 and stop. Always divide by 100 at the end.
- Using the wrong number: Make sure you are finding 15% of 80, not 80% of 15.
What is 25% of 60? (Hint: Use the same steps!)
Check yourself
Why do we divide by 100 when finding a percentage?
Because 'percent' means 'per 100', so we must find how many parts out of 100.
If you have ₹80 and spend 15%, how much do you spend?
₹12, because 15% of 80 is 12.
Quick recap
- 15% of 80 means 15 out of every 100 parts of 80.
- Convert percent to a fraction by dividing by 100.
- Multiply by the number, then divide by 100.
- The answer is 12.