document.write( "Question 655264: two buses leave houston at the same time and travel in opposite directions. One bus average 50 mi/h and the other bus averages 45 mi/h. In how many hours will they be 570 mi apart \n" ); document.write( "
Algebra.Com's Answer #409017 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( "570=50T+45T
\n" ); document.write( "570=95T
\n" ); document.write( "T=570/95
\n" ); document.write( "T=6 HOURS ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "570=50*6+45*6
\n" ); document.write( "570=300+270
\n" ); document.write( "570=570
\n" ); document.write( "
\n" );