SOLUTION: a clock strikes once at 1 o' clock, twice at 2 o' clock, three times at 3 o' clock, and so on. how many times during the day does the clock strike. solve using arithmetic series

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Question 1114383: a clock strikes once at 1 o' clock, twice at 2 o' clock, three times at 3 o' clock, and so on. how many times during the day does the clock strike.
solve using arithmetic series
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a clock strikes once at 1 o' clock, twice at 2 o' clock, three times at 3 o' clock, and so on. how many times during the day does the clock strike.
solve using arithmetic series
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S = 1+2+3+...+12
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S = (12/2)(1+12)
S = 6*13
S = 78
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Cheers,
Stan H.
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