Jawabanmu

2014-04-13T19:23:27+07:00
F (x,y) = 7x + 6y
20x + 12y = 240
15x + 18y = 270 → 5x + 3y = 60
5x + 6y = 90 –
3y = 30
y = 10
x = 6 → ( 6 , 10 )

y

x , y 7x + 6y
(0 , 15)
(6 , 10)
(12 , 0) 90

42 + 60 = 102

84

Jadi nilai maksimum dari 7x + 6y = 102