In: Math
P= 16x -5y +66, subject to 7x +9y ≤ 63, 0 ≤ y ≤ 4, and 0 ≤ x ≤ 5.
The maxium value _____ occurs when x= _____ and y= ______.
The minimun value ____ occurs where x= ____ and y=____.