Pre-Algebra Examples

$280 %$

Step 1

Convert the percentage to a fraction by placing the expression over

$100$ . Percentage means 'out of

$100$ '.

$\frac{280}{100}$

Step 2

Cancel the common factor of

$280$ and

$100$ .

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Step 2.1

Factor

$20$ out of

$280$ .

$\frac{20 (14)}{100}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor

$20$ out of

$100$ .

$\frac{20 \cdot 14}{20 \cdot 5}$

Step 2.2.2

Cancel the common factor.

$\frac{20 \cdot 14}{20 \cdot 5}$

Step 2.2.3

Rewrite the expression.

$\frac{14}{5}$

Step 3

Convert the fraction to a decimal by dividing the numerator by the denominator.

$2.8$