document.write( "Question 509201: Grace bought a book and paid $1,80 in sales tax.If the sales tax rate is her state is 8%,what was the cost of the book. \n" ); document.write( "
Algebra.Com's Answer #341326 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Grace bought a book and paid $1,80 in sales tax. If the sales tax rate is her state is 8%,what was the cost of the book. \n" ); document.write( "--------------------- \n" ); document.write( "Let the cost of the book be \"x\": \n" ); document.write( "Equation: \n" ); document.write( "0.08x = 1.80 \n" ); document.write( "----- \n" ); document.write( "x = 1.80/0.08 \n" ); document.write( "--- \n" ); document.write( "x = $22.50 (cost of the book before tax) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |