Find the value of Y in the optimal solution to this linear programming problem.
Max 2X + 3Y
s.t. 4X + 9Y < 72
10X + 11Y < 110
17X + 9Y < 153
X , Y > 0
a 6.087
b 3.113
c 0
d 7.115
Excel File contain optimal solution of the linear programming problem. Excel solver is used.