Final answer:
The sale price of the item is $58.80.
Step-by-step explanation:
To find the sale price of an item that costs 70% of the original price, you can multiply the original price by 0.7. In this case, the original price is $84. So, the sale price would be:
$84 × 0.7 = $58.80
The sale price of the item is $58.80.