document.write( "Question 251784: A train left the North Pole and traveled west at 70km/hr. Two hours later, another train left the North Pole and traveled east at 90km/hr. How many hours had the first train traveled when the were 1420 km apart? \n" ); document.write( "
Algebra.Com's Answer #183471 by richwmiller(17219)\"\" \"About 
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Someone else pointed out that you can't go west from the North Pole. All directions are South.
\n" ); document.write( "This is true at the true North Pole but are we talking true North Pole or magnetic North Pole?
\n" ); document.write( "There aren't any trains at the North Pole either.
\n" ); document.write( "The North Pole is in the Arctic Ocean. The South Pole has land; the North Pole doesn't\r
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\n" ); document.write( "\n" ); document.write( "t =hours traveled by second train at 90 kmph train
\n" ); document.write( "t+2=hours traveled by first train at 70kmph
\n" ); document.write( "70(t+2)+90t=1420
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