document.write( "Question 457889: A long distance trucker traveled 144 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and took 4 hours less time. Find the speed going. \n" ); document.write( "
Algebra.Com's Answer #314083 by mananth(16946)\"\" \"About 
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d=144
\n" ); document.write( "speed outward= xmph
\n" ); document.write( "return speed = 2x mph\r
\n" ); document.write( "\n" ); document.write( "time outward = 144/x
\n" ); document.write( "time return = 144/2x\r
\n" ); document.write( "\n" ); document.write( "144/x-144/2x=4\r
\n" ); document.write( "\n" ); document.write( "lcd=2x
\n" ); document.write( "288-144=4*2x
\n" ); document.write( "144=8x
\n" ); document.write( "x= 18 mph speed out ward
\n" ); document.write( "
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