document.write( "Question 990763: In three more years, Miguel's grandfather will be six times as old as Miguel was last year. When Miguel's present age is added to his grandfather's present age, the total is 68. How old is each one now? \n" ); document.write( "

Algebra.Com's Answer #610780 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+m+\"$ = Miguel's age now
\n" ); document.write( "Let $\"+g+\"$ = his grandfather's age now
\n" ); document.write( "-------------------
\n" ); document.write( "(1) $\"+g+%2B+3+=+6%2A%28+m+-+1+%29+\"$
\n" ); document.write( "(2) $\"+m+%2B+g+=+68+\"$
\n" ); document.write( "------------------------
\n" ); document.write( "(1) $\"+g+%2B+3+=+6m+-+6+\"$
\n" ); document.write( "(1) $\"+6m+-+g+=+9+\"$
\n" ); document.write( "------------------
\n" ); document.write( "Add (1) and (2)
\n" ); document.write( " $\"+7m+=+77+\"$
\n" ); document.write( " $\"+m+=+11+\"$
\n" ); document.write( "and
\n" ); document.write( "(2) $\"+11+%2B+g+=+68+\"$
\n" ); document.write( "(2) $\"+g+=+68+-+11+\"$
\n" ); document.write( "(2) $\"+g+=+57+\"$
\n" ); document.write( "---------------
\n" ); document.write( "Mioguel is 11 now
\n" ); document.write( "His grandfather is 57 now
\n" ); document.write( "----------------------
\n" ); document.write( "check:
\n" ); document.write( "(1) $\"+g+%2B+3+=+6%2A%28+m+-+1+%29+\"$
\n" ); document.write( "(1) $\"+57+%2B+3+=+6%2A%28+11+-+1+%29+\"$
\n" ); document.write( "(1) $\"+60+=+6%2A10+\"$
\n" ); document.write( "(1) $\"+60+=+60+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );