Solve 2.8div80*100=

$$2.8 \div 80 \times 100=$$

Evaluate

$$3.5$$

Solution Steps

Expand \frac{2.8}{80} by multiplying both numerator and the denominator by 10.

$$\frac{28}{800}\times 100$$

Reduce the fraction \frac{28}{800} to lowest terms by extracting and canceling out 4.

$$\frac{7}{200}\times 100$$

Express \frac{7}{200}\times 100 as a single fraction.

$$\frac{7\times 100}{200}$$

Multiply 7 and 100 to get 700.

$$\frac{700}{200}$$

Reduce the fraction \frac{700}{200} to lowest terms by extracting and canceling out 100.

$$\frac{7}{2}$$

Factor

$$\frac{7}{2} = 3\frac{1}{2} = 3.5$$