document.write( "Question 978773: Jim's weekly income is $100 less than triple john's weekly income. Huey's weekly income is $20 more than double john's weekly income. Huey's income is $120. What is Jim's income? \n" ); document.write( "

Algebra.Com's Answer #600144 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+a+\"$ = Jim's weekly income
\n" ); document.write( "Let $\"+b+\"$ = John's wekly income
\n" ); document.write( "Let $\"+c+\"$ = Huey's weekly income
\n" ); document.write( "--------------------------------
\n" ); document.write( "(1) $\"+a+=+3b+-+100+\"$
\n" ); document.write( "(2) $\"+c+=+2b+%2B+20+\"$
\n" ); document.write( "(3) $\"+c+=+120+\"$
\n" ); document.write( "----------------------
\n" ); document.write( "(2) $\"+120+=+2b+%2B+20+\"$
\n" ); document.write( "(2) $\"+2b+=+100+\"$
\n" ); document.write( "(2) $\"+b+=+50+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+a+=+3%2A50+-+100+\"$
\n" ); document.write( "(1) $\"+a+=+50+\"$
\n" ); document.write( "----------------
\n" ); document.write( "Jim's income is $50/wk
\n" ); document.write( "check:
\n" ); document.write( "(1) $\"+a+=+3b+-+100+\"$
\n" ); document.write( "(1) $\"+50+=+3%2A50+-+100+\"$
\n" ); document.write( "(1) $\"+50+=+50+\"$
\n" ); document.write( "OK \n" ); document.write( "

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