11 minutes and 15 seconds
1200 metres / 2 min 32 sec = 17.66 mph
36 minutes/(11 min 36 sec) = 2160 sec/696 sec = 90/29 which cannot be simplified further.
3.3333 minutes.
3 minutes. In 1 minutes there are 60 second. Divide 180 sec to 60 sec and you'll have 3. So the answer is 3 minutes.
340 m/sec = 0.34 km/sec
30 min * 60 sec (in 1 minute). = 1800 sec.
10 sec/1 min = 10 sec/60 sec = 1/6
60 seconds = 1 minute so 8790 sec = 8790/60 = 146.5 minutes. Simple!
2mins : 5 sec = 2x60 sec : 5 sec = 120 sec : 5 sec = 120:5 = 120/5 = 24
mins sec
7