Answer:
Option B
[tex] \frac{p - 1}{b} [/tex]
Step-by-step explanation:
[tex]p = i + hb \\ p - i = hb \\ divide \: both \: sides \: by \: b \\ \frac{p - i}{b} = \frac{hb}{b} \\ \frac{p - i}{b} = h[/tex]