a man purchased 3 blankets @ rs . 100 each , 2 blankets @ rs . 150 each and two blankets at a certain rate which is now slipped off from his memory . but he remembers that the average price of the blankets was rs . 150 . find the unknown rate of two blankets ?
"10 * 150 = 1500 3 * 100 + 2 * 150 = 600 1500 – 600 = 900 answer : b"
subtract(multiply(const_10, 150), add(multiply(3, 100), multiply(2, 150)))