document.write( "Question 980429: a father is four times as old as the son now.if the sum of their ages ten years ago was 60,find their present ages. \n" ); document.write( "
Algebra.Com's Answer #601635 by Bibin(2)\"\" \"About 
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Here 10 years ago sum of ages 60. There for now thier sum of ages equals 60+10+10 = 80
\n" ); document.write( "Ratio of their ages = 4:1
\n" ); document.write( "Age of father = 80×4/5 =64
\n" ); document.write( "Age of son = 80×1/5 =16
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