4 km/jam=.........m/menit

4 km/jam = 4 x 1.000 m / 60 menit
                = 4.000 m / 60 menit
                = 66 2/3 m/menit

4 km/jam = 4×1000 m/ 1×60 menit
= 4000 m/ 60 menit
maaf kalo salah:)