document.write( "Question 126558: Two trains leave a city at the same time. One travels north, and the other travels south 20 mph. faster. In 2 hr, the trains are 280 miles apart. Find their speeds. \n" ); document.write( "
Algebra.Com's Answer #92703 by checkley71(8403)\"\" \"About 
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2x+2(x+20)=280 or 2x+2x+40=280 or 4x=280-40 or 4x=240 x=240/4 or x=60 mph.
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