document.write( "Question 292617: the sum of the ages of mike and dan is 20 years. in 4 years, dan's and will be 3-4 of mikes age.\r
\n" ); document.write( "\n" ); document.write( " how old is mike now?
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Algebra.Com's Answer #217659 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
Mike Dan
\n" ); document.write( "\"M%2BD=20\" \"D=20-M\"
\n" ); document.write( "\"D%2B4=%283%2F4%29%28M%2B4%29\"
\n" ); document.write( "\"D%2B4=%283%2F4%29%28M%29%2B3\"
\n" ); document.write( "\"D=%283%2F4%29%28M%29-1\"
\n" ); document.write( "\"20-M=%283%2F4%29%28M%29-1%29\"
\n" ); document.write( "\"21-M=%283%2F4%29%28M%29%29\"
\n" ); document.write( "\"21=%281%2F4%29%28M%29%29\"
\n" ); document.write( "\"84=M%29\"
\n" ); document.write( "\"D=20-M\"
\n" ); document.write( "\"D=20-84\"\r
\n" ); document.write( "\n" ); document.write( "hmm i think ur question is miss written please make sure u check the question before submitting or we cant help u solve the problem
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