document.write( "Question 536407: Anne is two years older than Mary. Last year Anne was three times as old as Mary. How old is Anne now? \n" ); document.write( "

Algebra.Com's Answer #352329 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"a\"$ = Anne's age now
\n" ); document.write( "Let $\"m\"$ = Mary's age now
\n" ); document.write( "given:
\n" ); document.write( "(1) $\"+a+=+m+%2B+2+\"$
\n" ); document.write( "(2) $\"+a+-+1+=+3%2A%28+m+-+1+%29+\"$
\n" ); document.write( "----------------------
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+m+%2B+2+-+1+=+3m+-+3+\"$
\n" ); document.write( "(2) $\"+m+%2B+1+=+3m+-+3+\"$
\n" ); document.write( "(2) $\"+2m+=+4+\"$
\n" ); document.write( "(2) $\"+m+=+2+\"$
\n" ); document.write( "and, since
\n" ); document.write( "(1) $\"+a+=+m+%2B+2+\"$
\n" ); document.write( "(1) $\"+a+=+2+%2B+2+\"$
\n" ); document.write( "(1) $\"+a+=+4+\"$
\n" ); document.write( "Anne is 4 now \n" ); document.write( "

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