document.write( "Question 1010456: Vanessa is 2 times as old as Brandon. 42 years ago, Vanessa was 9 times as old as Brandon.\r
\n" ); document.write( "\n" ); document.write( "How old is Vanessa now? \n" ); document.write( "

Algebra.Com's Answer #625892 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+v+\"$ = Vanessa's age now
\n" ); document.write( "Let $\"+b+\"$ = Brandon's age now
\n" ); document.write( "-----------------------------
\n" ); document.write( "(1) $\"+v+=+2b+\"$
\n" ); document.write( "(2) $\"++v+-+42+=+9%2A%28+b+-+42+%29+\"$
\n" ); document.write( "----------------------------
\n" ); document.write( "(2) $\"+v+-+42+=+9b+-+378+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+2b+-+42+=+9b+-+378+\"$
\n" ); document.write( "(2) $\"+7b+=+336+\"$
\n" ); document.write( "(2) $\"+b+=+48+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+v+=+2b+\"$
\n" ); document.write( "(1) $\"+v+=+2%2A48+\"$
\n" ); document.write( "(1) $\"+v+=+96+\"$
\n" ); document.write( "Vanessa is 96
\n" ); document.write( "-----------------
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"++v+-+42+=+9%2A%28+b+-+42+%29+\"$
\n" ); document.write( "(2) $\"+96+-+42+=+9%2A%28+48+-+42+%29+\"$
\n" ); document.write( "(2) $\"+54+=+9%2A6+\"$
\n" ); document.write( "(2) $\"+54+=+54+\"$
\n" ); document.write( "OK \n" ); document.write( "

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