Answer:
Tisco gets £5.16 per 12 items but Azda gets £5.04 per 12 items.
Explanation:
Tisco has the best value
Azda's price is better
Tisco
3 for £1.29
12 for £1.29*4= £5.16
Azda
4 for £1.68
12 for £1.68*3= £5.04
Azda offers better price for 12 items
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