document.write( "Question 428546: A father is 3 times as old as his son. 10 years later , father is 2 times as old as his son, What are their ages? \n" ); document.write( "
Algebra.Com's Answer #297839 by mananth(16946)\"\" \"About 
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son's age x
\n" ); document.write( "father's age 3x
\n" ); document.write( "10 years later
\n" ); document.write( "son's age x+10
\n" ); document.write( "father's age 3x+10
\n" ); document.write( "father's age 2times older
\n" ); document.write( "3x+10=2(x+10)
\n" ); document.write( "3x+10=2 x+20
\n" ); document.write( "x=20-10
\n" ); document.write( "x=10 son's age
\n" ); document.write( "x+20=30 years father's age
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