Final answer:
Dominic receives a £12 discount on the item priced at £80 with a 15% discount.
Step-by-step explanation:
To calculate the amount of discount Dominic receives on an item priced at £80 with a 15% discount, we need to find 15% of £80. To do this, multiply £80 by 0.15 (15% as a decimal).
£80 x 0.15 = £12
Therefore, Dominic receives a discount of £12 on the item.