Jawabanmu

2014-08-27T16:59:04+07:00
S = 5 km
t = 5 menit = 1/12 jam

v = s/t
= 5/(1/12)
= 60 km/jam

s2 = 50 km
t2= 50/60 jam = 50 menit
2014-08-27T16:59:05+07:00
A. 5km/5menit= 1km/menit
b.5km/1km/menit=5 menit