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2x+y=170.000 ! dikali 3 6x+3y=510.000
x+3y=185.000 ! dikali 1 x+3y=185.000
---------------------- -
5x=325.000
x=325.000/5 = 65.000
2x+y=170.000
2(65000)+y=170000
130000+y=170000 ----->y=170000-130000 = 40.000
3x+2y=3(65000)+2(40000)=195000+80000= 275.000
B = baju
K = kaos
2B + K = Rp.170.000,00|x3|
B + 3K = Rp. 185.000,00|x1|
___________________-
6B + 3K =Rp.510.000,00
B + 3K=Rp.185.000,00
_________________-
5B =Rp.325.000,00
B =Rp.65.000,00
B + 3K = Rp. 185.000,00|x6|
2B + K = Rp.170.000,00|x3|
___________________-
6B + 18K=Rp.1.110.000,00
6B + 3K =Rp.510.000,00
____________________-
15K =Rp.600.000,00
K=Rp.40.000,00
Jd
3B + 2K =
(3 x Rp. 65.000,00) + (2 x Rp. 40.000,00) =
Rp.195.000,00 + Rp.80.000,00 =
Rp. 275.000,00