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OpenStudy (anonymous):
in 1896 Thomas Burke of the u.s won the 100-meter dash at the summer olympics with a time of 12.00. In 2004, Justin Gatlin of the U.S. won with a time of 9.85 seconds . What was the percent decrease in the winning time?
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OpenStudy (anonymous):
help me?
OpenStudy (anonymous):
can you*
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