A hairdresser is considering ordering a certain shampoo. Company A charges $4 per 8-oz bottle plus a $10 handling fee per order. Company B charges $3 per 8-oz bottle plus a $25 handling fee per order. How many bottles must the hairdresser buy to justify using company B.

2 answers

once is enough, please ...
To Anonymous, my first has typographical error, so I submitted again the correct one. I hope you understand, besides you did not answer either of my two questions.