Solve 72*(1-20%)

$$72 \times (1-20 \% )$$

Evaluate

$$\frac{288}{5}=57.6$$

Solution Steps

Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.

$$72\left(1-\frac{1}{5}\right)$$

Convert 1 to fraction \frac{5}{5}.

$$72\left(\frac{5}{5}-\frac{1}{5}\right)$$

Since \frac{5}{5} and \frac{1}{5} have the same denominator, subtract them by subtracting their numerators.

$$72\times \frac{5-1}{5}$$

Subtract 1 from 5 to get 4.

$$72\times \frac{4}{5}$$

Express 72\times \frac{4}{5} as a single fraction.

$$\frac{72\times 4}{5}$$

Multiply 72 and 4 to get 288.

$$\frac{288}{5}$$

Factor

$$\frac{2 ^ {5} \cdot 3 ^ {2}}{5} = 57\frac{3}{5} = 57.6$$