This is probably the hardest question I've ever had to answer. I'm going to take a wild guess and say 2?????
Answer:
THE ANSWER IS B!!!
Step-by-step explanation:
The store's selling price is 1 .25 times the original cost so to wok out how much the phone costs you times 40 by 1.25 which gives you $50
Okay this isn’t a answer , and if I knew any of this advanced math I would help . But are these files that people are commenting even safe ??