document.write( "Question 292774: If a trucker drives 500 miles in x + 1 hours, then what is his average speed? \n" ); document.write( "
Algebra.Com's Answer #211404 by dabanfield(803)\"\" \"About 
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Distance = speed * time
\n" ); document.write( "d = s*t
\n" ); document.write( "s = d/t\r
\n" ); document.write( "\n" ); document.write( "In this case distance is 500 and time is x+1 so we have:\r
\n" ); document.write( "\n" ); document.write( "s = 500/(x+1) miles per hour
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