To calculate the sale price after a 45% discount on the original price of $270, follow these steps:
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Calculate the discount amount: \[ \text{Discount} = \text{Original Price} \times \text{Discount Rate} \] \[ \text{Discount} = 270 \times 0.45 = 121.50 \]
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Subtract the discount from the original price to find the sale price: \[ \text{Sale Price} = \text{Original Price} - \text{Discount} \] \[ \text{Sale Price} = 270 - 121.50 = 148.50 \]
Thus, the sale price is $148.50.