document.write( "Question 1147537: The sum of the ages of Kyle and Meredith is 68 years. 8 years ago, Kyle's age was 3 times Meredith's age. How old is Kyle now?
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Algebra.Com's Answer #768868 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+a+\"$ = Kyle's age now
\n" ); document.write( "Let $\"+b+\"$ = Meredith's age now
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\n" ); document.write( "(1) $\"+a+%2B+b+=+68+\"$
\n" ); document.write( "(2) $\"+a+-+8+=+3%2A%28+b+-+8+%29+\"$
\n" ); document.write( "--------------------------------
\n" ); document.write( "(2) $\"+a+-+8+=+3b+-+24+\"$
\n" ); document.write( "(2) $\"+-a+%2B+3b+=+16+\"$
\n" ); document.write( "Add (1) and (2)
\n" ); document.write( "(1) $\"+a+%2B+b+=+68+\"$
\n" ); document.write( "(2) $\"+-a+%2B+3b+=+16+\"$
\n" ); document.write( "----------------------------
\n" ); document.write( " $\"+4b+=+84+\"$
\n" ); document.write( " $\"+b+=+21+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+a+%2B+b+=+68+\"$
\n" ); document.write( "(1) $\"+a+%2B+21+=+68+\"$
\n" ); document.write( "(1) $\"+a+=+47+\"$
\n" ); document.write( "Kyle is 47 now
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\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+a+-+8+=+3%2A%28+b+-+8+%29+\"$
\n" ); document.write( "(2) $\"+47+-+8+=+3%2A%28+21+-+8+%29+\"$
\n" ); document.write( "(2) $\"+39+=+3%2A13+\"$
\n" ); document.write( "(2) $\"+39+=+39+\"$
\n" ); document.write( "OK \n" ); document.write( "

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