Answer:
2.5 lb of flour at $2.00
Step-by-step explanation:
When you reduce all the options to 1 lb you get
- 1 lb of flour at $0.85
- 1 lb of flour at $0.825 (2 lb of flour at $1.65)
- 1 lb of flour at $0.8 (2.5 lb of flour at $2.00)
- 1 lb of flour at $0.85 (5 lb of flour at $4.25)
- 1 lb of flour at $0.9 (10 lb of flour at $9.00)
The best deal is 2.5 lb of flour at $2.00
