document.write( "Question 925199: the sum of the ages of elli and dan is 56.four years ago elli was 3 times as old as dan.how old are they now?give the solution:
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Algebra.Com's Answer #561357 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
(1) $\"+e+%2B+d+=+56+\"$
\n" ); document.write( "(2) $\"+e+-+4++=+3%2A%28+d+-+4+%29+\"$
\n" ); document.write( "---------------------
\n" ); document.write( "(2) $\"+e+-+4+=+3d+-+12+\"$
\n" ); document.write( "(2) $\"+-e+%2B+3d+=+8+\"$
\n" ); document.write( "Add (1) and (2)
\n" ); document.write( "(1) $\"+e+%2B+d+=+56+\"$
\n" ); document.write( "(2) $\"+-e+%2B+3d+=+8+\"$
\n" ); document.write( "--------------------
\n" ); document.write( " $\"+4d+=+64+\"$
\n" ); document.write( " $\"+d+=+16+\"$
\n" ); document.write( "and, since
\n" ); document.write( "(1) $\"+e+%2B+d+=+56+\"$
\n" ); document.write( "(1) $\"+e+%2B+16+=+56+\"$
\n" ); document.write( "(1) $\"+e+=+40+\"$
\n" ); document.write( "--------------
\n" ); document.write( "Dan is 16
\n" ); document.write( "Eli is 40
\n" ); document.write( "----------
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+e+-+4++=+3%2A%28+d+-+4+%29+\"$
\n" ); document.write( "(2) $\"+40+-+4++=+3%2A%28+16+-+4+%29+\"$
\n" ); document.write( "(2) $\"+36+=+3%2A12+\"$
\n" ); document.write( "(2) $\"+36+=+36+\"$
\n" ); document.write( "OK
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