document.write( "Question 932510: Rohan was as old as his son is at present at the time of his birth.If rohan's age is 40 years now, then what is his son's age? \n" ); document.write( "
Algebra.Com's Answer #566279 by ptaylor(2198)\"\" \"About 
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Let x=Rohan's son's age at present
\n" ); document.write( "40-x=Rohan's father's age at the time of his son's birth and this equals the son's present age
\n" ); document.write( "Sooooo
\n" ); document.write( "40-x=x
\n" ); document.write( "2x=40
\n" ); document.write( "x=20-----Rohan's son's present age
\n" ); document.write( "CK
\n" ); document.write( "40-20=20
\n" ); document.write( "Hope this helps---ptaylor
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