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)\"\" \"About 
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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.
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\n" ); document.write( "Let the cost of the book be \"x\":
\n" ); document.write( "Equation:
\n" ); document.write( "0.08x = 1.80
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\n" ); document.write( "x = 1.80/0.08
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\n" ); document.write( "x = $22.50 (cost of the book before tax)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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