One more time! if q(x)=5-x^2 and p(q(x))= 4-x^2/x^3 when x≠0, then what is p(1/4) equal to? can you show me the steps and possibly explain them so i understand?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.