Shelfy - חסכון בכל קנייה בסופר

★ ★ life puzzle You went to the supermarket And encountered 2 identical -motg following operations: 1) washing powder in ₪ 21.90 - Packaging 2.5 kg 2) washing powder 69 ₪ - savings package of 7.3 kg What do you think more lucrative - Operation Operation 1 or 2? (* Answer here down at the end of desc