document.write( "Question 1178816: The combined age of a father and his son
\n" ); document.write( "are 36.In seven years the father will
\n" ); document.write( "be four times as old as his son.
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Algebra.Com's Answer #808228 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
f, Father
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\n" ); document.write( "\"f%2B7=4%2836-f%2B7%29\"
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\n" ); document.write( "\"f=-7%2B144-4f%2B28\"
\n" ); document.write( "\"f%2B4f=144%2B21\"
\n" ); document.write( "\"5f=165\"
\n" ); document.write( "\"highlight%28f=33%29\"
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\n" ); document.write( "Son is \"highlight%283%29\".
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