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March 30, 2015

March 30, 2015

Posted by **Anonymous** on Sunday, January 30, 2011 at 4:59pm.

- math -
**Bosnian**, Sunday, January 30, 2011 at 5:10pm100 m = (1/4)*400 m

1 min=60 sec

60*1/4= 15 sec

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