document.write( "Question 1156251: 5 years ago Kevin was 3 times Tami's age. Now he is twice as old as Tami. How old are both of them now? \n" ); document.write( "

Algebra.Com's Answer #778945 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+a+\"$ = Kevin's age now
\n" ); document.write( "Let $\"+b+\"$ = Tami's age now
\n" ); document.write( "-----------------------------------
\n" ); document.write( "(1) $\"+a+-+5+=+3%2A%28+b+-+5+%29+\"$
\n" ); document.write( "(2) $\"+a+=+2b+\"$
\n" ); document.write( "-----------------------------------
\n" ); document.write( "Plug (2) into (1)
\n" ); document.write( "(1) $\"+2b+-+5+=+3%2A%28+b+-+5+%29+\"$
\n" ); document.write( "(1) $\"+2b+-+5+=+3b+-+15+\"$
\n" ); document.write( "(1) $\"+b+=+10+\"$
\n" ); document.write( "and
\n" ); document.write( "(2) $\"+a+=+2b+\"$
\n" ); document.write( "(2) $\"+a+=+2%2A10+\"$
\n" ); document.write( "(2) $\"+a+=+20+\"$
\n" ); document.write( "Kevin is 20
\n" ); document.write( "Tami is 10
\n" ); document.write( "----------------------
\n" ); document.write( "check:
\n" ); document.write( "(1) $\"+a+-+5+=+3%2A%28+b+-+5+%29+\"$
\n" ); document.write( "(1) $\"+20+-+5+=+3%2A%28+10+-+5+%29+\"$
\n" ); document.write( "(1) $\"+15+=+3%2A5+\"$
\n" ); document.write( "(1) $\"+15+=+15+\"$
\n" ); document.write( "OK \n" ); document.write( "

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