Answer:
Let x be the salary of one of the department heads
So 3x is the salary of the president.
Then x + 3x = $210,000
4X = $210,000
x = $210,000/4 = $52,500
Therefore the salary of one of the department heads is $52,500
and the salary of the President is 3($52500) = $157,500
Explanation: