document.write( "Question 897658: Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. together they earn $480.00. How much does each girl earn in a week? \n" ); document.write( "

Algebra.Com's Answer #544267 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = amount Jen earns
\n" ); document.write( " $\"+2x+\"$ = amount Mari earns
\n" ); document.write( " $\"+x+%2B+2x+=+480+\"$
\n" ); document.write( " $\"+3x+=+480+\"$
\n" ); document.write( " $\"+x+=+160+\"$
\n" ); document.write( " $\"+2x+=+320+\"$
\n" ); document.write( "Jen earns $160 /wk
\n" ); document.write( "Mari earns $320 /wk
\n" ); document.write( " \n" ); document.write( "

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