Question 153164
  Question A. solve the formula for N

{{{ND=1.08T}}} then {{{N=1.08T/D}}}
 Question B. Use this to find the number of patient appointments N a doctor should a doctor should make if she has 6 hours available for patients and each appointment is 15 minutes long.

{{{T=6}}} and  {{{D=0.25}}} (a quarter of an hour)

{{{N=(1.08*6)/(0.25)=26}}} (aprox)