if 5 % more is gained by selling an article for rs . 350 than by selling it for rs . 348 , the cost of the article is
"explanation : let c . p . be rs . x . then , 5 % of x = 350 - 348 = 2 x / 20 = 2 = > x = 40 answer : d"
divide(subtract(350, 348), divide(5, const_100))