document.write( "Question 333913: how do you do this word problem?
\n" ); document.write( "At 6:00 am a plane left center airport and flew south at 475 km/h. It's destination was Upton, which was 2000 km away. An hour later, a second left the airport and also flew south. How fast did the second plane fly if it overtook the first plane at 9:00 am?
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Algebra.Com's Answer #239262 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
D=RT
\n" ); document.write( "D=475*3 FOR THE PLANE THAT LEFT @ 6:00.
\n" ); document.write( "D=R*2
\n" ); document.write( "1,425=2R
\n" ); document.write( "2R=1,425
\n" ); document.write( "R=1,425/2
\n" ); document.write( "R=712,5 KPH. WAS THE SPEED OF THE SECOND PLANE.\r
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