document.write( "Question 991157: A car is traveling 20 miles per hour. Convert this to cm per second. Please show me how to get the answer. \n" ); document.write( "
Algebra.Com's Answer #611061 by Edwin McCravy(20081)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I think you should use unit multipliers.\r\n" );
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document.write( "In order to be able to get rid of an \"old\" unit in a NUMERATOR \r\n" );
document.write( "(DENOMINATOR) and bring in a \"new\" unit in its place:\r\n" );
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document.write( "Create a unit multiplier such that:\r\n" );
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document.write( "1. The unit multiplier has the \"old\" unit in its DENOMINATOR\r\n" );
document.write( "(NUMERATOR) and the \"new\" unit in its NUMERATOR (DENOMINATOR).\r\n" );
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document.write( "2. The numerical coefficients of the numerator and denominator\r\n" );
document.write( "of the unit multiplier must be such that the numerator and \r\n" );
document.write( "denominator are equal.  \r\n" );
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document.write( "Then cancel all the units that will cancel:\r\n" );
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document.write( "And we are left with this:\r\n" );
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document.write( " \"%22%22=%22%22\"\"matrix%281%2C2%2C894.08%2Ccm%2Fs%29\"\r\n" );
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document.write( "Edwin
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