document.write( "Question 386979: An eastbound bus left concord at noon. three hours later a westbound bus left the same station. if the buses traveled at the same rate and were 500 kilometers apart at 6 p.m., find the rate of each bus. \n" ); document.write( "

Algebra.Com's Answer #273596 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "D = r*t 
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document.write( " buses traveled at the 'same rate' in opposite directions
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document.write( " 500 = r*6hr + r*3hr   (0ne traveled 6hrs, the other 3hrs)
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document.write( "solving for r
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document.write( "  500 = 9r
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document.write( "  500/9 = r
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document.write( "   55.56kmph  = rate of each bus
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document.write( " CHECKING our Answer
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document.write( "  6hr*55.56kmph + 3h*55.56kmph = 500km \n" );
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