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Verified answer
V = 90 km/jams = 60 km
t = s : v
= 60 km : 90 km/jam
= 2/3 jam
= 2/3 x 60 menit
= 40 menit
Tiba = Pukul 10.00 + 40 menit
= Pukul 10.40
jarak=60
90 dibagii 60 = 2 per tiga 3 jam sama dengan 40 menit