3.2/0.2 = x/6.4

Answer 1

Cross multiply and solve for x.

3.2/0.2 = x/6.4

0.2x = 20.48

x = 20.48 / 0.2

x = ?

Answer 2

Using proportions and cross multiplication--

0.2x=(3.2)(6.4)

Therefore x= [(3.2)(6.4)]/.2

Thus, x= 102.4