12 menit = 12/60 = 0,2 jam
1 jam 12 menit = 1,2 jam
v = s/t
s = v x t
= 65 x 1,2
= 78 km
jika t = 1 jam
v = 78/1 = 78 km/jam
Jadi kesimpulannya, kecepatan harus di ubah menjadi 78 km/jam (C.)
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12 menit = 12/60 = 0,2 jam
1 jam 12 menit = 1,2 jam
v = s/t
s = v x t
= 65 x 1,2
= 78 km
jika t = 1 jam
v = 78/1 = 78 km/jam
Jadi kesimpulannya, kecepatan harus di ubah menjadi 78 km/jam (C.)