document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141340>Question 141340</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A woman buys three pairs of jeans for $99.84, including tax.  If each pair of jeans cost $32, what was the sales tax rate? </SPAN>\n" );
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document.write( "3x+y=99.84  where x are the three pairs of jeans, and y is the amount of tax paid.\r<BR>\n" );
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document.write( "If x=32,\r<BR>\n" );
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document.write( "3(32)+y=99.84<BR>\n" );
document.write( "96+y=99.84<BR>\n" );
document.write( "y=3.84\r<BR>\n" );
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document.write( "The amount of tax paid was $3.84. Now, each pair of jeans had a total tax of 3.84/3=$1.28. To find the tax rate then, we take 1.28/32=.04. This makes the tax rate 4%.\r<BR>\n" );
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document.write( "Check: 32*1.04=33.28<BR>\n" );
document.write( "33.28*3=99.84<BR>\n" );
document.write( "and 96*1.04=99.84 </SPAN>\n" );
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