Please helpp ugh why

[tex]\star[/tex] Heya! Princess Kimmie [tex]\star[/tex]
Let the Direct Variation Equation of Given Ordered pairs be : y = nx
Given : y = 4.8 when x = 4
Substituting the above values in our Equation, we get :
⇒ 4.8 = n × 4
⇒ [tex]n = \frac{4.8}{4} = 1.2[/tex]
⇒ The Equation is y = 1.2x
[tex]\star[/tex] Option 3 is the Answer [tex]\star[/tex]