document.write( "Question 1000170: Kirk has 12 dollars less than Jim. If Jim spends half of his money, and Kird spends none, the. Kirk will have two dollars more than Jim. How much money did they both start with? \n" ); document.write( "

Algebra.Com's Answer #617670 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+k+\"$ = amount Kirk starts with
\n" ); document.write( "Let $\"+j+\"$ = amount Jim starts with
\n" ); document.write( "----------------
\n" ); document.write( "(1) $\"+k+=+j+-+12+\"$
\n" ); document.write( "(2) $\"+j+-+j%2F2+%2B+2+=+k+\"$
\n" ); document.write( "---------------------
\n" ); document.write( "(2) $\"+j%2F2+%2B+2+=+k+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+j%2F2+%2B+2+=+j+-+12+\"$
\n" ); document.write( "(2) $\"+2+=+j+-+j%2F2+-+12+\"$
\n" ); document.write( "(2) $\"+j%2F2+=+14+\"$
\n" ); document.write( "(2) $\"+j+=+28+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+k+=+j+-+12+\"$
\n" ); document.write( "(1) $\"+k+=+28+-+12+\"$
\n" ); document.write( "(1) $\"+k+=+16+\"$
\n" ); document.write( "-------------
\n" ); document.write( "Kirk started with $16
\n" ); document.write( "Jim started with $28
\n" ); document.write( "-----------------
\n" ); document.write( "check:
\n" ); document.write( "(1) $\"+k+=+j+-+12+\"$
\n" ); document.write( "(1) $\"+16+=+28+-+12+\"$
\n" ); document.write( "(1) $\"16+=+16+\"$
\n" ); document.write( "and
\n" ); document.write( "(2) $\"+j+-+j%2F2+%2B+2+=+k+\"$
\n" ); document.write( "(2) $\"+28+-+14+%2B+2+=+16+\"$
\n" ); document.write( "(2) $\"+16+=+16+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );