a person spent rs . 5,040 from his salary on food and 5,000 on house rent . after that he was left with 20 % of his monthly salary . what is his monthly salary ?
total money spent on food and house rent = 5,040 + 5,000 = 10,040 which is 100 - 20 = 80 % of his monthly salary ∴ his salary = 10040 x 100 / 80 = 12550 answer : e
divide(add(multiply(add(const_4, const_1), const_100), 20), sqrt(const_100))