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5x + 4x = 27.000
9x = 27.000
x = 27.000/9
x = 3000
Uang Dimas = 5x
= 5*3000
= 15.000
Uang Rika = 4x
= 4*3000
= 12.000
Selisih = 15.000 - 12.000 = 3.000
Semoga membantu :)
rika = 4
dit = selisih uang
dik = jumlah uang
= dit/dik x sol
= 1/9 x 27.000
= 3.000