document.write( "Question 887356: Dandy was born 6 years before Noel. In 2000, dandy's age was two years more than 4 times the age of noel. how old will Noel be in 2020? \n" ); document.write( "

Algebra.Com's Answer #536572 by josmiceli(19441) $\"\"$ $\"About$

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The difference in their ages will always be $\"+6+\"$ years
\n" ); document.write( "Let $\"+d+\"$ = Dandy's age in 2000
\n" ); document.write( "Let $\"+n+\"$ = Noel's age in 2000
\n" ); document.write( "-------------------------------
\n" ); document.write( "(1) $\"+d+-+n+=+6+\"$
\n" ); document.write( "(2) $\"+d+=+4n+%2B+2+\"$
\n" ); document.write( "---------------------
\n" ); document.write( "(1) $\"+d+=+n+%2B+6+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+n+%2B+6+=+4n+%2B+2+\"$
\n" ); document.write( "(2) $\"+3n+=+6+-+2+\"$
\n" ); document.write( "(2) $\"+3n+=+4+\"$
\n" ); document.write( "(2) $\"+n+=+4%2F3+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+d+=+4%2F3+%2B+6+\"$
\n" ); document.write( "(1) $\"+d+=+22%2F3+\"$
\n" ); document.write( "------------------
\n" ); document.write( "Noel will be $\"+4%2F3+%2B+20+=+64%2F3+\"$
\n" ); document.write( " $\"+64%2F3+=+21+%2B+1%2F3+\"$
\n" ); document.write( "Noel will be 21 and 4 months
\n" ); document.write( "----------------------------
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+d+=+4n+%2B+2+\"$
\n" ); document.write( "(2) $\"+22%2F3+=+4%2A%28+4%2F3+%29+%2B+2+\"$
\n" ); document.write( "(2) $\"+22%2F3+=+16%2F3+%2B+6%2F3+\"$
\n" ); document.write( "(2) $\"+22%2F3+=+22%2F3+\"$
\n" ); document.write( "OK \n" ); document.write( "

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