a man purchased 3 blankets @ rs . 100 each , 5 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 . 162 . find the unknown rate of two blankets ?
"10 * 162 = 1620 3 * 100 + 5 * 150 = 1050 1620 – 1050 = 570 answer : d"
subtract(multiply(const_10, 162), add(multiply(3, 100), multiply(5, 150)))