Problem: a person buys an article at $ 380 . at what price should he sell the article so as to make a profit of 25 % ?
Rationale: "c 475 cost price = $ 380 profit = 25 % of 380 = $ 95 selling price = cost price + profit = 380 + 95 = 475"
annotated_formula: add(380, multiply(380, divide(25, const_100)))