document.write( "Question 356825: Two buses leave a station at the same time, traveling in opposite directions. The rate of the slower bus is 15mph less than the rate of the faster bus. After 4 hours, they are 492 miles apart. What is the rate of the slower bus? \n" ); document.write( "
Algebra.Com's Answer #254850 by rfer(16322)\"\" \"About 
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492/4=123
\n" ); document.write( "x-15+x=123
\n" ); document.write( "2x=138
\n" ); document.write( "x=69
\n" ); document.write( "x-15=54
\n" ); document.write( "
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