<human>:  Marlene wants to buy half a dozen of shirts to avail of the sale. The regular price of a shirt is $50 and is now on sale at a 20% discount. How much will Marlene pay for the shirts?
<bot>: How many shirts does Marlene want to buy? ** Marlene wants to buy 12/2 = <<12/2=6>>6 shirts.
What is the discounted price of the shirt? ** The discount price of the shirt is $50 x 20/100 = $<<50*20/100=10>>10.
How much will the shirts cost? ** So, the shirt will only costs $50 - $10 = $<<50-10=40>>40 each.
How much will Marlene pay for the shirts? ** Thus, Marlene will pay $40 x 6 = $<<40*6=240>>240 for the 6 shirts.
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