the ratio of the cost price and selling price is 2 : 3 . the profit percent is ?
let the c . p . = $ 2 x then s . p . = $ 3 x then , gain = 3 x - 2 x = $ x gain % = x / 2 x * 100 = 50 % answer is c
multiply(subtract(divide(3, 2), const_1), const_100)