" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
hrg salak = x
hrg jeruk = y
Persamaan :
2x + 3y = 8.500
x + 4y = 8.000 .....dikali 2
menjadi :
2x + 8y = 16.000
2x + 3y = 8.500
5y = 7.500
y = 1.500
sudtitusi nili y :
x + 4y = 8.000
x + 1.500(4) = 8.000
x = 8.000 - 6000
x = 2.000
jdi hrg 1 kg salak + 2 kg jeruk = 1.500 + 4.000 = Rp 5.500