A trader bought 100 identical pens at a total cost of Tk.x. Iff he sold each pen at 50% above the original cost per pen, then in terms of x, what was the selling price of each pen?

প্রশ্নঃ A trader bought 100 identical pens at a total cost of Tk.x. Iff he sold each pen at 50% above the original cost per pen, then in terms of x, what was the selling price of each pen?