Let
x--------------------> number of employees working at the office
we know that
(2/3) x > 36--------------- > x>(36*3/2)
x>54
the solution of this inequality is (54,∞ )
using a graph tool
see the attached figure
the solution will be all those values of X, belonging to the interval (54, ∞) that when multiplied by (2/3) its result is a whole number
see the attached excel table
the solution is the infinite serie
57+60+63+66+69.....
the minimum value of the solution is X=57 employees
the maximum value is infinite
