Question

Rewrite the division expression as a fraction and divide.3.2 = 0.8 =

Answer 1

express 3.2 as:

$3.2=\frac{16}{5}$

and 0.8, as:

$0.8=\frac{4}{5}$

Use the following formula:

$\frac{a}{b}\div\frac{c}{d}=\frac{a\cdot d}{b\cdot c}$

so:

$\frac{16}{5}\div\frac{4}{5}=\frac{16\cdot5}{5\cdot4}=\frac{80}{20}=4$