tolong bantuin jawab ya nomer 9

jarak =20 km
kecepatan = 40 km /jam
waktu = jrk : kcptn
           = 20/40
            = 1/2 jam
            = 30 menit
jam brkt =06.10
jam tiba = 06.10+ 30 menit = 06.40 
jawa.a.06.40