Answer:
[tex]2.[/tex]
Step-by-step explanation:
[tex]i.e \: 2, \: the \: ratio \: \frac{p}{n} \: is \: contant \: or \: = \: 2. [/tex]
[tex]the \: constant \: of \: proportionality \: \\ in \: the \: above \: equation \: is \: the \: \\ unchanging \: value.[/tex]
