[tex]Hiya!![/tex]
Sokka is here to help!!
Here's a explanation!
[tex]\frac{300}{2}(0.5+4.5)^2[/tex]
[tex]=150(0.5+4.5)^2[/tex]
[tex]150(5)^2[/tex]
[tex](150)(25)[/tex]
[tex]= 3750[/tex]
Hopefully, this helps you!!
[tex]Sokka[/tex]