document.write( "Question 621942: A, B, and C each drove 100 mile lengths of a 300 mile course at speeds of 40, 50 and 60 miles per hour respectively. What fraction of the total time did A drive?
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Algebra.Com's Answer #391128 by ankor@dixie-net.com(22740)\"\" \"About 
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A, B, and C each drove 100 mile lengths of a 300 mile course at speeds of 40, 50 and 60 miles per hour respectively.
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\n" ); document.write( "Find the total time (time = dist/speed)
\n" ); document.write( "t = \"100%2F40\" + \"100%2F50\" + \"100%2F60\"
\n" ); document.write( "t = \"10%2F4\" + \"10%2F5\" + \"10%2F6\"
\n" ); document.write( "t = \"150%2F60\" + \"120%2F60\" + \"100%2F60\"
\n" ); document.write( "t = \"370%2F60\"
\n" ); document.write( "total = \"37%2F6\" hrs
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\n" ); document.write( "\"What fraction of the total time did A drive?\"
\n" ); document.write( "A time/total time. (Invert the dividing fraction and multiply)
\n" ); document.write( "\"10%2F4\" * \"6%2F37\"
\n" ); document.write( "t = \"60%2F148\"
\n" ); document.write( "t = \"15%2F37\" of the total time
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