document.write( "Question 1153945: The sum of the ages of Mike and Dan is 20 years. In four years, Dan’s age will be 3/4 of Mike’s age. How old is Mike now? \n" ); document.write( "
Algebra.Com's Answer #776285 by Alan3354(69443)\"\" \"About 
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The sum of the ages of Mike and Dan is 20 years. In four years, Dan’s age will be 3/4 of Mike’s age. How old is Mike now?
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\n" ); document.write( "M + D = 20
\n" ); document.write( "D + 4 = (3/4)*(M + 4)
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\n" ); document.write( "can you do the rest?
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