This wants you to find 20% of $28 then subtract it from $28 to get the price of the item with a 20% discount
20% of 28 is found by doing 0.2 * 28.
0.2 * 28 = 5.6
28 (normal price) - 5.6 (20% discount) = 22.4
So the price of this item with a 20% discount is $22.40.
Answer:
$22.40