document.write( "Question 257714: Jill, Leon and Emily participated in a bike race. Jill biked the first half at 6 miles per hour and the second half at 12 miles per hour. Leon biked the first third at 12 miles per hour, then dropped down to 8 miles per hour for the 2nd third and finished the last third at 7 miles per hour. Emily paced out the entire race at 8.5 miles per hour. Who finished first? And explain how you solved the problem. \n" ); document.write( "

Algebra.Com's Answer #189584 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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Jill, Leon and Emily participated in a bike race.
\n" ); document.write( " Jill biked the first half at 6 miles per hour and the second half at 12 miles per hour.
\n" ); document.write( " Leon biked the first third at 12 miles per hour, then dropped down to 8 miles per hour for the 2nd third and finished the last third at 7 miles per hour.
\n" ); document.write( " Emily paced out the entire race at 8.5 miles per hour.
\n" ); document.write( " Who finished first? And explain how you solved the problem.
\n" ); document.write( ":
\n" ); document.write( "Choose a convenient distance for the race, 24 mi has lots of factors
\n" ); document.write( ":
\n" ); document.write( "Write a time equation for each Time = dist/speed, who took the least time?
\n" ); document.write( "J
\n" ); document.write( " $\"12%2F6\"$ + $\"12%2F12\"$ = 3 hrs
\n" ); document.write( ":
\n" ); document.write( "L
\n" ); document.write( " $\"8%2F12\"$ + $\"8%2F8\"$ + $\"8%2F7\"$ = 2.81 hrs
\n" ); document.write( ":
\n" ); document.write( "E
\n" ); document.write( " $\"24%2F8.5\"$ = 2.82 hrs
\n" ); document.write( ":
\n" ); document.write( "Looks like Leon won by whisker \n" ); document.write( "

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