Monday 4 July 2011

DAY 341

This problem can be solved with a simple mental calculation:

If it takes you 2 minutes 13 seconds to run one lap around a track, how long will it take you to run 60 laps (assuming you maintain the same speed)?

Answer:

2 hours 13 minutes

Any number of minutes X 60 will be that many hours.
Any number of seconds  X 60 will be that many minutes.

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