document.write( "Question 963483: 3. A father is three times as old as his son and the sum of their ages is 76 years. How old is the son? \n" ); document.write( "
Algebra.Com's Answer #588642 by Fombitz(32388)\"\" \"About 
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\"F=3S\"
\n" ); document.write( "\"F%2BS=76\"
\n" ); document.write( "Substituting,
\n" ); document.write( "\"3S%2BS=76\"
\n" ); document.write( "\"4S=76\"
\n" ); document.write( "\"S=19\"
\n" ); document.write( "Then,
\n" ); document.write( "\"F=3%2819%29\"
\n" ); document.write( "\"F=57\"
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