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In the 2012 Olympics, Usain Bolt ran the 100m dash in 9.63 seconds.  Jim Hines won the 1968 Olympic gold with a time of 9.95 seconds.

Bolt’s time was ___% faster than Hines’.

Hine’ time was ___% slower than Bolt’s.

Hine’ time was ___% of Bolt’s.

 
 Sep 28, 2015

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