document.write( "Question 200451: If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
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Algebra.Com's Answer #150778 by checkley77(12844)\"\" \"About 
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(2*150)^2+(2*200)^2=d^2
\n" ); document.write( "300^2+400^2=d^2
\n" ); document.write( "90,000+160,000=d^2
\n" ); document.write( "d^2=250,000
\n" ); document.write( "d=sqrt250,000
\n" ); document.write( "d=500 miles apart are the 2 planes after 2 hours.
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