document.write( "Question 1089889: Carole's age 8 years ago was 5 times Carl's age. Five years ago Carole's age was 3 times Carl's age. How old is each now?
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Algebra.Com's Answer #704326 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+a+\"$ = Carole's age now
\n" ); document.write( "Let $\"+b+\"$ = Carl's age now
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\n" ); document.write( "(1) $\"+a+-+8+=+5%2A%28+b+-+8+%29+\"$
\n" ); document.write( "(2) $\"+a+-+5+=+3%2A%28+b+-+5+%29+\"$
\n" ); document.write( "-----------------------------
\n" ); document.write( "(1) $\"+a+-+8+=+5b+-+40+\"$
\n" ); document.write( "(1) $\"+-a+%2B+5b+=+32+\"$
\n" ); document.write( "and
\n" ); document.write( "(2) $\"+a+-+5+=+3b+-+15+\"$
\n" ); document.write( "(2) $\"+-a+%2B+3b+=+10+\"$
\n" ); document.write( "-----------------------
\n" ); document.write( "Subtract (2) from (1)
\n" ); document.write( "(1) $\"+-a+%2B+5b+=+32+\"$
\n" ); document.write( "(2) $\"+a+-+3b+=+-10+\"$
\n" ); document.write( "-----------------------
\n" ); document.write( " $\"+2b+=+22+\"$
\n" ); document.write( " $\"+b+=+11+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+-a+%2B+5b+=+32+\"$
\n" ); document.write( "(1) $\"+-a+%2B+5%2A11+=+32+\"$
\n" ); document.write( "(1) $\"+a+=+55+-+32+\"$
\n" ); document.write( "(1) $\"+a+=+23+\"$
\n" ); document.write( "------------------
\n" ); document.write( "Carole is 23
\n" ); document.write( "Carl is 11
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\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+a+-+5+=+3%2A%28+b+-+5+%29+\"$
\n" ); document.write( "(2) $\"+23+-+5+=+3%2A%28+11+-+5+%29+\"$
\n" ); document.write( "(2) $\"+18+=+3%2A6+\"$
\n" ); document.write( "(2) $\"+18+=+18+\"$
\n" ); document.write( "OK \n" ); document.write( "

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