a shopkeeper sold an article for rs 2564.36 . approximately what was his profit percent if the cost price of the article was rs 2200
"explanation : gain % = ( 364.36 * 100 / 2200 ) = 16.56 % = 17 % approx option a"
floor(multiply(const_100, divide(subtract(2564.36, 2200), 2200)))