document.write( "Question 198511: If leah is 6 years older than sue, and john is 5 years older than leah and the total of their ages is 41--then how old is Sue? \n" ); document.write( "

Algebra.Com's Answer #149037 by josmiceli(19441) $\"\"$ $\"About$

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$\"l\"$ = leah's age
\n" ); document.write( " $\"s\"$ = Sue's age
\n" ); document.write( " $\"j\"$ = John's age
\n" ); document.write( "------------------
\n" ); document.write( "Given:
\n" ); document.write( " $\"l+=+s+%2B+6\"$
\n" ); document.write( " $\"j+=+l+%2B+5\"$
\n" ); document.write( " $\"l+%2B+s+%2B+j+=+41\"$
\n" ); document.write( "------------------
\n" ); document.write( " $\"l+=+s+%2B+6\"$
\n" ); document.write( " $\"l+-+s+=+6\"$
\n" ); document.write( "Add to
\n" ); document.write( " $\"l+%2B+s+%2B+j+=+41\"$
\n" ); document.write( " $\"l+-+s+=+6\"$
\n" ); document.write( "-------------------
\n" ); document.write( " $\"2l+%2B+j+=+47\"$
\n" ); document.write( " $\"l+-+j+=+-5\"$
\n" ); document.write( " $\"3l+=+42\"$
\n" ); document.write( " $\"l+=+14\"$
\n" ); document.write( " $\"l+=+s+%2B+6\"$
\n" ); document.write( " $\"14+=+s+%2B+6\"$
\n" ); document.write( " $\"s+=+8\"$
\n" ); document.write( " $\"j+=+l+%2B+5\"$
\n" ); document.write( " $\"j+=+14+%2B+5\"$
\n" ); document.write( " $\"j+=+19\"$
\n" ); document.write( "Sue is 8 years old
\n" ); document.write( "check:
\n" ); document.write( " $\"l+%2B+s+%2B+j+=+41\"$
\n" ); document.write( " $\"14+%2B+8+%2B+19+=+41\"$
\n" ); document.write( " $\"41+=+41\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );