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15menit=900detik
kecepatan 3m/ detik
jadi 900detik*3m=2700m
2700m= 2700:1000 =2,7km
Ulfa besepeda selama 15 menit.
1menit =60 detik
15 menit =15x60 =900 detik
900x3=2700m
1km =1000m
2700:1000=2,7km
semoga membantu :)