Solve a problem

PercentagesArithmeticMiddle schoolabout 0:27

What is 15% of 80?: animated lesson

A narrated, step-by-step percentages video lesson with captions. Final answer: 12.

SpeedLanguage

Video with a synthetic English voice and captions. Pick another language for subtitles in that language, or open the interactive version.

Video narrated by a synthetic voice (Piper TTS, en_US-ljspeech-high voice (LJ Speech dataset, public domain)); the steps come from our maths engine and the answer was checked independently. Download MP4 (0.2 MB) · Captions (WebVTT)

Steps on screen

1. The problem
Working with percentages
What is 15% of 80?
2. Step by step
1. $15\% = \frac{15}{100} = 0.15$
  Convert the percent to a decimal by dividing by 100
2. $0.15 \times 80 = 12$
  Multiply the decimal by the number
3. The answer
$12$
15% × 80 = 12
4. Check
- Check: 12 ÷ 80 × 100 = 15%

Transcript

The problem. Here is the problem: What is 15 percent of 80? Find a percentage of a number.

Step by step. Convert the percent to a decimal by dividing by 100. Multiply the decimal by the number.

The answer. So the answer is 12. 15 percent means 15 out of every 100, so 15 percent of 80 is 12.

Check. Check: 12 divided by 80 times 100 equals 15 percent.

About percentages

Percent of a number, what percent one number is of another, the whole from a part, and percent change.

What is 15% of 80?: Percentages Step-by-Step Lesson