To determine the sale price of the gaming console after a 20% discount, follow these steps:
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Calculate the discount amount: \[ \text{Discount} = \text{Original Price} \times \text{Discount Rate} \] \[ \text{Discount} = 399 \times 0.20 = 79.80 \]
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Subtract the discount from the original price: \[ \text{Sale Price} = \text{Original Price} - \text{Discount} \] \[ \text{Sale Price} = 399 - 79.80 = 319.20 \]
The sale price of the gaming console is $319.20.