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uang ajeng =q
uang dani = p
jawaban a
q+p =210.000
q=50% p atau bisa dikatakan q=1/2 pan b
jawaban c
q =1/2 p substitusi ke persamaan q+p =210.000 maka
q+p =210.000
1/2 p+p=210.000
3/2p=210.000
p = 140.000
jawaban b
p+q = 210.000
140.000+q=210.000
q= 70.000
selisih uang
p-q = 140.000-70.000=70.000
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