document.write( "Question 852600: Sean biked the first half of a race in 30 minutes. He the biked the other half in 45 minutes. What was Sean's average speed during the bike race?
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Algebra.Com's Answer #513602 by ankor@dixie-net.com(22740)\"\" \"About 
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Sean biked the first half of a race in 30 minutes.
\n" ); document.write( " He the biked the other half in 45 minutes.
\n" ); document.write( " What was Sean's average speed during the bike race?
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\n" ); document.write( "we have to know the distance
\n" ); document.write( "let d = the distance of the race
\n" ); document.write( "Ave speed = total dist/total time
\n" ); document.write( "\"d%2F75\" = av speed in units/min
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