document.write( "Question 263619: I need help with this one question that I've always had problems with these rate of time problem.
\n" ); document.write( "Okay, so a plane is going to Chicago at 400 Kilometers/hour, and when they come back they're going 500 kilometers/hour...if the trip took 9 hours, how many kilometers did the plane fly all together? Thanks in advance and I hope you can answer as soon as possible!
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Algebra.Com's Answer #194290 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
Okay, so a plane is going to Chicago at 400 Kilometers/hour, and when they come back they're going 500 kilometers/hour...if the trip took 9 hours, how many kilometers did the plane fly all together?\r
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\n" ); document.write( "\n" ); document.write( "I DID GUESS AND CHECK distance from AB = BA
\n" ); document.write( "so AB=X
\n" ); document.write( "Use the equation from the guy below me\r
\n" ); document.write( "\n" ); document.write( "400km x5hrs =2000km
\n" ); document.write( "500km x4hrs =2000km
\n" ); document.write( "5hrs+4hrs=9hrs
\n" ); document.write( "2000km+2000km=4000km
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