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salak= s
jeruk= j
persamaan
2s+3j=32.000x2
2s+2j=33.000x3
_____________
4s+5j=64.000
6s+6j=99.000
___________-
-2s=-26.000
s= 13.000< harga 1kg salak
2x13.000+3j=32.000
26.000+3j=32.000
3j=6.000
j=2.000< harga 1kg jeruk
ditanya= 1kg salak dan 5kg jeruk
1x13.000+5x2.000
=13.000+10.000
=23.000