waktu = (11.30-08.00)-(2×15) = 03.30-30 = 03.00 atau 3 jam
kecepatan = 40 km/jam.
jarak = K×W = 40×3 = 120 km
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waktu = (11.30-08.00)-(2×15) = 03.30-30 = 03.00 atau 3 jam
kecepatan = 40 km/jam.
jarak = K×W = 40×3 = 120 km