Problem: the cost price of 60 articles is the same as the selling price of x articles . if the profit is 20 % , what is x ?
Rationale: "let the cost price = y the cost price of 60 articles = 60 y the selling price of x articles = 1.20 y * x 1.20 y * x = 60 y x = 60 / 1.2 = 50 the answer is d ."
annotated_formula: divide(multiply(60, const_4), add(const_4, const_1))