document.write( "Question 423508: The sales tax in one state is 7%. What is a function rule for finding the total cost of an item with selling price x. Then find the total cost of a CD player with a selling price of $150. \n" ); document.write( "
Algebra.Com's Answer #295373 by stanbon(75887)\"\" \"About 
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The sales tax in one state is 7%. What is a function rule for finding the total cost of an item with selling price x. Then find the total cost of a CD player with a selling price of $150.
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\n" ); document.write( "Total cost = x + 0.07x = 1.07x
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\n" ); document.write( "Total cost = 1.07*150 = $160.50
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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