Answer:
p = [tex]\frac{40}{v}[/tex]
Step-by-step explanation:
Since p is inversely proportional to v then the equation relating them is
p = [tex]\frac{k}{v}[/tex] ← k is the constant of variation
to find k use the condition when p = 5, v = 8
k = pv = 5 × 8 = 40, hence
p = [tex]\frac{40}{v}[/tex]