Percent of a number

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Intros

Lessons

- What is a percent?
- How to find the percent of a number?

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Examples

Lessons

Evaluate without using a calculator. Then, check your answers with a calculator.
1. 15% of 40
2. 320% of 600
3. 17.5% of 20
4. $20\frac{1}{4}$ % of 50
The total rain precipitation of last summer was 350 mm. If it increased by $12\frac{1}{2}$ % this summer, what was the rain precipitation this summer?

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