Solve 7.2div(1-60%)=

$$7.2 \div ( 1 - 60 \% ) =$$

Evaluate

$$18$$

Solution Steps

Reduce the fraction \frac{60}{100} to lowest terms by extracting and canceling out 20.

$$\frac{7.2}{1-\frac{3}{5}}$$

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

$$\frac{7.2}{\frac{5}{5}-\frac{3}{5}}$$

Since \frac{5}{5} and \frac{3}{5} have the same denominator, subtract them by subtracting their numerators.

$$\frac{7.2}{\frac{5-3}{5}}$$

Subtract 3 from 5 to get 2.

$$\frac{7.2}{\frac{2}{5}}$$

Divide 7.2 by \frac{2}{5} by multiplying 7.2 by the reciprocal of \frac{2}{5}.

$$7.2\times \frac{5}{2}$$

Convert decimal number 7.2 to fraction \frac{72}{10}. Reduce the fraction \frac{72}{10} to lowest terms by extracting and canceling out 2.

$$\frac{36}{5}\times \frac{5}{2}$$

Multiply \frac{36}{5} times \frac{5}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{36\times 5}{5\times 2}$$

Cancel out 5 in both numerator and denominator.

$$\frac{36}{2}$$

Divide 36 by 2 to get 18.

$$18$$

Factor

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