You did not provide the tables to choose from, but the relationship between number of books and total price is that each book is 14.25. Hope that helps at least.
S=Selling price 135 V=Variable cost 75 F=Fixed cost 3300 Let quantity be Q The formula to break even is 135Q-75Q-3300=0 Solve for Q 60Q-3300=0 60Q=3300 Q=3300/60 Q=50 So the store must sell 50 bicycles to break even