document.write( "Question 1054853: Rachel is 4 times as old as James. Three years ago the sum of their ages was 29 years. How old is each now? \n" ); document.write( "

Algebra.Com's Answer #670056 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+a+\"$ = Rachel's age now
\n" ); document.write( "Let $\"+b+\"$ = James age now
\n" ); document.write( "--------------------------------
\n" ); document.write( "(1) $\"+a+=+4b+\"$
\n" ); document.write( "(2) $\"+a+-+3+%2B+b+-+3++=+29+\"$
\n" ); document.write( "--------------------------------
\n" ); document.write( "(2) $\"+a+%2B+b+=++35+\"$
\n" ); document.write( "Plug (1) into (2)
\n" ); document.write( "(2) $\"+4b+%2B+b+=+35+\"$
\n" ); document.write( "(2) $\"+5b+=+35+\"$
\n" ); document.write( "(2) $\"+b+=+7+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+a+=+4b+\"$
\n" ); document.write( "(1) $\"+a+=+4%2A7+\"$
\n" ); document.write( "(1) $\"+a+=+28+\"$
\n" ); document.write( "Rachel is 28
\n" ); document.write( "James is 7
\n" ); document.write( " \n" ); document.write( "

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