Problem: a person buys an article at rs . 575 . at what price should he sell the article so as to make a profit of 15 % ?
Rationale: "cost price = rs . 575 profit = 15 % of 575 = rs . 86.25 selling price = cost price + profit = 575 + 86.25 = 661.25 answer : d"
annotated_formula: add(575, multiply(575, divide(15, const_100)))