4
3
3
every minute 3 people dies...
3
1 minute = 3 600 seconds = 3,6 kiloseconds
Personally, I haven't eaten a whole hamburger in under a minute. Maybe not even under five minutes. But the world record for most hamburgers eaten in EIGHT minutes is 103... which is just about 13 hamburgers per minute. So I'd go with 13. :)
180
Clocks have 0, 2 or 3 hands: 0 (digital clocks), 2 (hour and minute), 3 (hour, minute and second).
3
0.2208333 hours, with the 3 repeating.
10 seconds is 1/6 of a minute, which is 1 and 2/3 tenths
0.213 miles per minute.