document.write( "Question 1170953: a. State sales tax S is directly proportional to retail price p . An item that sells for 180 dollars has a sales tax of 10.22 dollars. Find a mathematical model that gives the amount of sales tax S in terms of the retail price p .
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document.write( "b. What is the sales tax on a 350 dollars purchase. Round to the nearest cent. \r
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document.write( "The sales tax on a 350 dollar purchase is $ \n" );
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Algebra.Com's Answer #796148 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! S(p)=k*p \n" ); document.write( "10.22=180*k \n" ); document.write( "k=0.0568 \n" ); document.write( "S(p)=0.0568*p after rounding \n" ); document.write( "- \n" ); document.write( "350*0.0568=$19.87 \n" ); document.write( " \n" ); document.write( " |