5kg for $15. 1 kg for $3.20 with buy 4 get one free. which is best buy

To determine which is the better deal, we can compare the cost per kilogram for each option.

### Option 1: 5 kg for $15
- Cost per kilogram: $\frac{15}{5} = 3$ dollars per kg.

### Option 2: 1 kg for $3.20 with "Buy 4, Get 1 Free" 
- You buy 4 kg and get 1 kg free, so you get 5 kg in total for the price of 4 kg.
- Total cost for 5 kg: $4 \times 3.20 = 12.80$ dollars.
- Cost per kilogram: $\frac{12.80}{5} = 2.56$ dollars per kg.

### Conclusion:
The second option, where you buy 1 kg for $3.20 with the "Buy 4, Get 1 Free" offer, is the better deal at $2.56 per kg compared to $3 per kg in the first option.

Would you like further details or have any questions?

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Here are five related questions you might find interesting:
1. What is the cost difference if you buy 10 kg using both options?
2. How would the comparison change if the "Buy 4, Get 1 Free" offer was modified?
3. What would be the better deal if the first option offered 6 kg for $15 instead?
4. How does the overall savings change if you buy more than 5 kg?
5. Can you think of other real-world examples where similar comparisons would be useful?

**Tip:** When comparing deals, always break down the cost to the smallest unit (like per kilogram) for accurate comparison.

Compare the cost-effectiveness of purchasing 5kg for $15 versus 1kg for $3.20 with a 'Buy 4, Get 1 Free' offer. Discover which option provides the better value per kilogram through detailed calculations and analysis. Ideal for students and consumers looking to maximize savings on bulk purchases.

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