easy one - giving brainly if correct AND WORK IS SHOWN

Answer:a 750g bag is better.
Step-by-step explanation: 3 bags would be more G the 2kg and less money 0.23/100 grams 700 g would be 1.4$ for that so 750 g is the best.
Answer:
750 grams at $1.39
Step-by-step explanation:
To make it easy to see, determine how much each option costs per gram.
750 grams cost 1.39. Divide 1.39 by 750 which gives you 0.001853
2 kg is 2000 grams costing 3.99. Divide 3.99 by 2000 which give you 0.001995
100 grams cost $0.23. Divide 0.23 by 100 which gives you 0.0023
So the 750 grams is the best price.