SOLUTION: The sign flashed over 480 times in a 1 half hrs. How far apart did the flashes occur?

Question 492068: The sign flashed over 480 times in a 1 half hrs. How far apart did the flashes occur?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The sign flashed over 480 times in 1/2 hrs. How far apart did the flashes occur?
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# of flashes per minute = 480 flashes/30 min = 16 flashes per min
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Interval between flashes = 60 sec/16 flashes = 3.75 sec
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Cheers,
Stan H.
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