Final answer:
The sale price of the television set after a 20% reduction from the original price of 485 euros is 388 euros. You calculate this by finding 20% of 485, which is 97 euros, and subtracting it from the original price.
Step-by-step explanation:
The question asks to work out the sale price of a television set after a 20% reduction from the normal price of 485 euros. First, we must calculate the amount of discount by finding 20% of 485 euros. To do this, we multiply 485 euros by 0.20 (which is the decimal equivalent of 20%).
485 euros × 0.20 = 97 euros
Next, we subtract the discount amount from the original price to find the sale price.
485 euros - 97 euros = 388 euros
The sale price of the television set is therefore 388 euros.