a person buys an article at rs . 460 . at what price should he sell the article so as to make a profit of 18 % ?
"cost price = rs . 460 profit = 18 % of 460 = rs . 82 selling price = cost price + profit = 460 + 82 = 542 answer : a"
add(460, multiply(460, divide(18, const_100)))