Solve (1+70%)*80=

$$( 1 + 70 \% ) \times 80 =$$

Evaluate

$$136$$

Solution Steps

Reduce the fraction \frac{70}{100} to lowest terms by extracting and canceling out 10.

$$\left(1+\frac{7}{10}\right)\times 80$$

Convert 1 to fraction \frac{10}{10}.

$$\left(\frac{10}{10}+\frac{7}{10}\right)\times 80$$

Since \frac{10}{10} and \frac{7}{10} have the same denominator, add them by adding their numerators.

$$\frac{10+7}{10}\times 80$$

Add 10 and 7 to get 17.

$$\frac{17}{10}\times 80$$

Express \frac{17}{10}\times 80 as a single fraction.

$$\frac{17\times 80}{10}$$

Multiply 17 and 80 to get 1360.

$$\frac{1360}{10}$$

Divide 1360 by 10 to get 136.

$$136$$

Factor

$$2^{3}\times 17$$