document.write( "Question 966089: If Tony is the same age as his grandfather in months and their ages add up to 78 how old is Tony? \n" ); document.write( "

Algebra.Com's Answer #590482 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = Tony's age in years
\n" ); document.write( " $\"+12x+\"$ = Tony's grandfather's age
\n" ); document.write( " $\"+x+%2B+12x+=+78+\"$
\n" ); document.write( " $\"+13x+=+78+\"$
\n" ); document.write( " $\"+x+=+6+\"$
\n" ); document.write( " $\"+12x+=+72+\"$
\n" ); document.write( "Tony is 6
\n" ); document.write( " \n" ); document.write( "

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