What is 20% of 689?

Understand the Problem

The question is asking us to calculate 20% of the number 689. To find this, we multiply 689 by 0.20.

Answer

$137.8$

Steps to Solve

Convert Percentage to Decimal

To find 20% of a number, we first convert the percentage to a decimal.

$$ 20% = \frac{20}{100} = 0.20 $$

Multiply by the Given Number

Now, we need to multiply the decimal representation by the number 689.

$$ 20% \text{ of } 689 = 0.20 \times 689 $$

Calculate the Product

Now, we perform the multiplication:

$$ 0.20 \times 689 = 137.8 $$

The answer is $137.8$.

More Information

20% is often used in various contexts, such as discounts or tax calculations. Understanding how to calculate percentages is a valuable life skill and is frequently applied in finance.

Tips

A common mistake is forgetting to convert the percentage to a decimal before multiplying. Always remember to divide the percentage by 100 first.

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