12/1 or in simplest form 12. Hope this helps!
I think B
J U S T I F I C A T I O N
If you paid attention in math, you would know this lol jk.
But you would rewrite it as 5+4
Answer:
$45.63
Step-by-step explanation:

or all together
50,145 cm³ * 2.6 g/cm³ * 0.35/kg = $45.63