tolong jawab dong .....

no. 4

jarak sebenarnya = 5×1200000÷100000 = 60 km
waktu = 60÷45 = 4/3 jam + 1/4 jam = 19/12 jam = 95 menit = 1 jam 35 menit
06.45 + 01.35 = 08.20

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