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ryan = r
dilan = d
r : d = 5 : 7
r + d = 24.000
r = 5/12 × 24.000
= 10.000
d = 7/12 × 24.000
= 14.000
d - r = 14.000 - 10.000
= 4.000
dilan = 7/12x24.000 = 14.000
selisih = 14.000-10.000
=RP 4.000