document.write( "Question 657752: If it takes Lucas 7 Minutes and 30 seconds to run the mile, what is his average speed? \n" ); document.write( "
Algebra.Com's Answer #409996 by Alan3354(69443)\"\" \"About 
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If it takes Lucas 7 Minutes and 30 seconds to run the mile, what is his average speed?
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\n" ); document.write( "7'30\" = 450 seconds
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t = 1/450 mi/second
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