document.write( "Question 654954: Two trains leave a station at the same time, heading in opposite directions. One train is traveling at 80 km/h and the other at 90 km/h. How long will it take for the trains to be 425 km apart? \n" ); document.write( "
Algebra.Com's Answer #408877 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( "425=80T+90T
\n" ); document.write( "425=170T
\n" ); document.write( "T=425/170
\n" ); document.write( "2.5 HOURS THEY WILL BW 425 MILES APART.
\n" ); document.write( "PROOF:
\n" ); document.write( "425=80*2.5+90*2.5
\n" ); document.write( "425=200+225
\n" ); document.write( "425=425
\n" ); document.write( "
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