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
Ok so we know he used over 700 because he was charged more than 40. Then we take the $8.10 and divide 0.45 into it. This then gives you 18 more minutes. Then add 18 to 700 and you get 718 min.
