SOLUTION: Solve the equation: Z = 4x + y knowing that: x + 2y <= 40 x + y <= 30 2x + 3y <= 66 both x and y are >= 0

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Question 923166: Solve the equation:
Z = 4x + y
knowing that:
x + 2y <= 40
x + y <= 30
2x + 3y <= 66
both x and y are >= 0

Found 2 solutions by Fombitz, chawki:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!



Graph

.
.


Graph also.

.
.



Graph also.

.
.
Find the points of intersection.




Then,

(12,14)
.
.
.



Then,

(24,6)
.
.
.

The extrema of Z occur at one of these vertices.
Not sure if you need the maximum or minimum.
(0,0) : <-- Minimum
(0,20) :
(12,14) :
(24,6) :
(30,0) : <-- Maximum

Answer by chawki(7)   (Show Source): You can put this solution on YOUR website!
can we solve that by determinent?
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