Sagot :
Cevap:
3/5
Adım adım açıklama:
Parasının tamamına x diyelim.
3x/5 = 2D + 3K
2x/5 = 3D + 1K
İki tane denklem oluşturduk şimdi x'leri yok edelim.
3x/5 = 2D + 3K
3x = 10D +15K
x = 10D/3 + 15K/3
2x/5 = 3D + 1K
2x = 15D + 5K
x = 15D/2 + 5K/2
10D/3 + 15K/3 = 15D/2 + 5K/2
15K/3 - 5K/2 = 15D/2 - 10D/3
30K/6 - 15K/6 = 45D/6 - 20D/6
15K = 25D
15K/25 = D
15/25 = D/K
D/K = 15/25 = 3/5
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