You buy 3 pairs of pants at an original cost of $24.99 and the sale is buy 1 get the 2nd pair half off. the sales tax is 6%. how much do you pay in total for the pants? a. $79.47b. $39.73c. $52.98d. $66.23

  D.  $66.23

Step-by-step explanation:

The sale discounts your purchase by half the price of a pair of pants, so you pay for 2.5 pairs of pants. The sale price of the pants is then ...

  $24.99 × 2.5 = $62.48

The added tax multiplies this value by 1.06, so you pay ...

  1.06 × $62.48 = $66.23

Comment on the answer

Whether you pay $66.23 or $66.22 depends on how the discount is calculated. If you get the benefit of the half-penny (the discount is rounded up), then the sale price is $62.47 and the total is $66.22.

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