3.6/1:2000000=7200000(cm)7200000/100/1000=72(km)72/30=2.4(h)=2h24min9:00+2h24min=11:24
6/1:2000000=7200000(cm)7200000/100/1000=72(km)72/30=2.4(h)=2h24min9:00+2h24min=11:24
11:24am