document.write( "Question 724362: if the sales tax is 5% and the purchase price is $161, what is the amount of tax
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Algebra.Com's Answer #443706 by josmiceli(19441) $\"\"$ $\"About$

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The purchase price includes the tax, so
\n" ); document.write( "$161 = pre-tax price + tax
\n" ); document.write( "Let $\"+x+\"$ = the pre-tax price
\n" ); document.write( " $\"+x+%2B+.05x+=+161+\"$
\n" ); document.write( " $\"+1.05x+=+161+\"$
\n" ); document.write( " $\"+x+=+161%2F1.05+\"$
\n" ); document.write( " $\"+x+=+153.333+\"$
\n" ); document.write( " $\"+.05x+=+.05%2A153.333+\"$
\n" ); document.write( " $\"+.05x+=+7.67+\"$
\n" ); document.write( "The tax is $7.67 \r
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