Rounding Seconds
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http://www.lerc.nasa.gov/Other_Groups/K12/p_test/math_9/math_p_q12.html  


NASA Lewis Learning Technologies Project  
Erv ran the 110 meter high hurdles in 13.27 seconds. His teammate, Willie, ran the same race in 12.91 seconds. Rounded to the nearest tenth of a second, how much faster was Willie's time? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.  


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