Jawabanmu

2014-05-31T16:25:28+07:00
Kecepatan = jarak/waktu
= 180 km / 3,75 jam
= 48 km/jam
Jawaban paling cerdas!
2014-05-31T16:35:21+07:00
Kec.Rata" = J : W
                 =180 km : 3 3/4
                 =48 km/jam
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