Solve 121/2%text{of}80

$$12 \frac { 1 } { 2 } \% \text { of } 80$$

Evaluate

$$10$$

Solution Steps

Express \frac{\frac{12\times 2+1}{2}}{100} as a single fraction.

$$\frac{12\times 2+1}{2\times 100}\times 80$$

Multiply 12 and 2 to get 24.

$$\frac{24+1}{2\times 100}\times 80$$

Add 24 and 1 to get 25.

$$\frac{25}{2\times 100}\times 80$$

Multiply 2 and 100 to get 200.

$$\frac{25}{200}\times 80$$

Reduce the fraction \frac{25}{200} to lowest terms by extracting and canceling out 25.

$$\frac{1}{8}\times 80$$

Multiply \frac{1}{8} and 80 to get \frac{80}{8}.

$$\frac{80}{8}$$

Divide 80 by 8 to get 10.

$$10$$

Factor

$$2\times 5$$