Finite Math Examples

80 %

$80 %$

Step 1

Convert the percentage to a fraction by placing the expression over

100

$100$ . Percentage means 'out of

100

$100$ '.

\frac{80}{100}

$\frac{80}{100}$

Step 2

Cancel the common factor of

80

$80$ and

100

$100$ .

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Step 2.1

Factor

20

$20$ out of

80

$80$ .

\frac{20 (4)}{100}

$\frac{20 (4)}{100}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor

20

$20$ out of

100

$100$ .

\frac{20 \cdot 4}{20 \cdot 5}

$\frac{20 \cdot 4}{20 \cdot 5}$

Step 2.2.2

Cancel the common factor.

\frac{20 \cdot 4}{20 \cdot 5}

$\frac{20 \cdot 4}{20 \cdot 5}$

Step 2.2.3

Rewrite the expression.

\frac{4}{5}

$\frac{4}{5}$

\frac{4}{5}

$\frac{4}{5}$

\frac{4}{5}

$\frac{4}{5}$

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