a person spent rs . 6,040 from his salary on food and 5,000 on house rent . after that he was left with 80 % of his monthly salary . what is his monthly salary ?
"total money spent on food and house rent = 6,040 + 5,000 = 11,040 which is 100 - 80 = 20 % of his monthly salary ∴ his salary = 11040 x 100 / 20 = 55200 answer : a"
divide(add(multiply(add(const_4, const_1), const_100), 80), sqrt(const_100))