document.write( "Question 851326: Harry Drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 637 miles, then what was his speed on the freeway. \n" ); document.write( "
Algebra.Com's Answer #512708 by richwmiller(17219)\"\" \"About 
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6*f+5*(f-20)=637
\n" ); document.write( "6f+5f-100=637
\n" ); document.write( "11f=737
\n" ); document.write( "f=737/11
\n" ); document.write( "f=67
\n" ); document.write( "c=47
\n" ); document.write( "
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