Question 1173148
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Hi, 
What is the cost of a guitar that regularly sells for a $150 
is on sale for 18% off and the sales tax is 4.5%.
18% off ... paying .82%  
Total cost = .82(150) + .045(.82(150) = .82(150)( 1 + 1.045) 
Total cost =.82(150)( 1 + 1.045) = $128.54
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