if the cost price is 82 % of the selling price , then what is the profit percent ?
"let s . p . = $ 100 c . p . = $ 82 profit = $ 18 profit % = 18 / 82 * 100 = 25 / 6 = 22 % approximately answer is b"
multiply(divide(subtract(const_100, 82), 82), const_100)