Algebra.Com's Answer #673710 by ikleyn(52781)![\"\"](\"/images/stars/stars-13.gif\")  
You can put this solution on YOUR website!
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document.write( "How do I  write this word problem as a rational equation?
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document.write( "Marty drove his fully loaded moving van to Memphis. With his van empty, Marty drove 15 mi/h faster and made
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document.write( "the return trip in 1.5 hours less. Find the speed going to Memphis.
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document.write( "You can write/represent the condition as this rational equation\r\n" );
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document.write( " = 1.5,\r\n" );
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document.write( "where D is the distance \"from A to B\", r is the rate on the way \"to Memphis\".\r\n" );
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document.write( "But keep in mind that it gives you and you have only ONE equation for TWO unknowns.\r\n" );
document.write( "So, the input info IS NOT ENOUGH to solve the problem completely and to get a quantitative solution/answer.\r\n" );
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document.write( "To demonstrate you that the solution to the equation (*) is not unique, \r\n" );
document.write( "I will put here THE LIST of possible solutions:\r\n" );
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document.write( "D = 45, r = 15, or\r\n" );
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document.write( "D = 100, r = 25, or\r\n" );
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document.write( "D = 175, r = 35.\r\n" );
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document.write( "The writing by \"josgarithmetic\" is irrelevant, so you can better to ignore it.\r
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