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Adi : 75 cm ; 47 kawat
Kawat milik Zaky = (125*7) + (75*7)
= 875 + 525
= 1400
sedangkan kawat Mirza dan Adi yang tersisa
Mirza = 125*40
= 5000 meter
Adi = 75*40
= 3000 meter
jadi kalau ditotal keduanya sisa kawat milik Mirza dan Adi adalah 8000 meter
mirza = 125 cm × 47 = 5.875 cm
adi = 75 cm × 47 = 3.525 cm
lalu, miza dan adi memberi zaky = 125 cm × 7 = 875
75 cm × 7 = 525
jadi :
mirza = 5.875 - 875 = 5.000 cm : 100 = 50 m
adi = 3.525 - 525 = 3.000 cm : 100 = 30 m
jadi, jumblah kawat milik mirza = 50 + adi = 30 m = 80 meter.