Solve 70div100*8*0.85+15

$$70 \div 100 \times 8 \times 0.85+15$$

Evaluate

$$19.76$$

Solution Steps

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

$$\frac{7}{10}\times 8\times 0.85+15$$

Express \frac{7}{10}\times 8 as a single fraction.

$$\frac{7\times 8}{10}\times 0.85+15$$

Multiply 7 and 8 to get 56.

$$\frac{56}{10}\times 0.85+15$$

Reduce the fraction \frac{56}{10} to lowest terms by extracting and canceling out 2.

$$\frac{28}{5}\times 0.85+15$$

Convert decimal number 0.85 to fraction \frac{85}{100}. Reduce the fraction \frac{85}{100} to lowest terms by extracting and canceling out 5.

$$\frac{28}{5}\times \frac{17}{20}+15$$

Multiply \frac{28}{5} times \frac{17}{20} by multiplying numerator times numerator and denominator times denominator.

$$\frac{28\times 17}{5\times 20}+15$$

Do the multiplications in the fraction \frac{28\times 17}{5\times 20}.

$$\frac{476}{100}+15$$

Reduce the fraction \frac{476}{100} to lowest terms by extracting and canceling out 4.

$$\frac{119}{25}+15$$

Convert 15 to fraction \frac{375}{25}.

$$\frac{119}{25}+\frac{375}{25}$$

Since \frac{119}{25} and \frac{375}{25} have the same denominator, add them by adding their numerators.

$$\frac{119+375}{25}$$

Add 119 and 375 to get 494.

$$\frac{494}{25}$$

Factor

$$\frac{2 \cdot 13 \cdot 19}{5 ^ {2}} = 19\frac{19}{25} = 19.76$$