document.write( "Question 326365: Two buses leave Houston at the the same time and travel in opposite directions, one bus averages 55 mi/h and the other bus averages 45 mi/h. When will they be 400 mi apart? \n" ); document.write( "

Algebra.Com's Answer #233644 by Fombitz(32388) $\"\"$ $\"About$

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Distance=Rate*Time.
\n" ); document.write( "Since they're going in opposite directions, their total distance will be the sum of their individual distances.
\n" ); document.write( " $\"D1=55%2At\"$
\n" ); document.write( " $\"D2=45%2At\"$
\n" ); document.write( " $\"D=55%2At%2B45%2At=400\"$
\n" ); document.write( " $\"100t=400\"$
\n" ); document.write( " $\"t=4\"$ hrs
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\n" ); document.write( "In 4 hours, they will be 400 miles apart. \n" ); document.write( "

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