the average salary of 15 people in the shipping department at a certain firm is $ 20,000 . the salary of 5 of the employees is $ 25,000 each and the salary of 4 of the employees is $ 20,000 each . what is the average salary of the remaining employees ?
"total salary . . . 15 * 20 k = 300 k 5 emp @ 25 k = 125 k 4 emp @ 20 k = 80 k remaing 6 emp sal = 300 k - 125 k - 80 k = 95 k average = 95 k / 6 = 15800 ans : b"
divide(subtract(subtract(multiply(multiply(5, 4), multiply(4, 4)), multiply(multiply(5, 5), 5)), multiply(4, 15)), add(const_2, 5))