document.write( "Question 179880: A bill at officeland totaled $37.80. How much did the merchandise cost if the sales tax is 5%? \n" ); document.write( "
Algebra.Com's Answer #134778 by Mathtut(3670)\"\" \"About 
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Since it wasnt said I will assume the 37.80 includes the sales tax
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\n" ); document.write( "lets call the merchandise cost x
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\n" ); document.write( "x+.05x=37.80
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\n" ); document.write( "1.05x=37.80
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\n" ); document.write( "\"highlight%28x=36.00%29\"cost of merchandise
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\n" ); document.write( "which means the tax was $1.80
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