document.write( "Question 1157205: A boy is one-fifth of his father's age. In 3years time the sum of the boy's and father's age is 72. What is the age of both of them \n" ); document.write( "

Algebra.Com's Answer #780035 by josgarithmetic(39620) $\"\"$ $\"About$

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b, the boy
\n" ); document.write( "5b, the father\r
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\n" ); document.write( "\n" ); document.write( "The description: $\"b%2B3%2B5b%2B3=72\"$ \r
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\n" ); document.write( " $\"6b=72-6\"$
\n" ); document.write( " $\"6b=66\"$
\n" ); document.write( " $\"highlight%28b=11%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%285b=55%29\"$ -------father\r
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