document.write( "Question 469562: A long distance trucker traveled 160 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double speed and took 4 hours less time. Find the speed going. \n" ); document.write( "
Algebra.Com's Answer #322149 by jorel1380(3719)\"\" \"About 
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160/x=160/2x+4
\n" ); document.write( "320=160+8x
\n" ); document.write( "160=8x
\n" ); document.write( "x=20
\n" ); document.write( "The trucker went 20 mph on the way there. He went 40 mph on the way back.
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