document.write( "Question 1061396: In one month Karina earned $600 at her part-time job, and $90 was withheld for federal income tax. Suppose she earns $900 next month. How much will be withheld for federal income tax?
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Algebra.Com's Answer #676202 by rfer(16322)\"\" \"About 
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90/600=x/900
\n" ); document.write( "600x=900*90
\n" ); document.write( "x=81000/600
\n" ); document.write( "x=$135
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