SOLUTION: Last year an athlete ran a mile in 6mins 13s. This year he ran 6 mins 5s, what is the percent decrease?

SOLUTION: Last year an athlete ran a mile in 6mins 13s. This year he ran 6 mins 5s, what is the percent decrease?

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Question 996624: Last year an athlete ran a mile in 6mins 13s. This year he ran 6 mins 5s, what is the percent decrease?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Last year an athlete ran a mile in 6mins 13s. This year he ran 6 mins 5s, what is the percent decrease?
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Time decrease:: 8 seconds
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Percent decrease:: 8 sec/(6*60+13)sec = 8/(373) = 0.021 = 2.1%
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Cheers,
Stan H.
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