1 . The total cost of a bouquet of roses at a flower shop depends on the number of roses ordered. The vase costs $5, and each rose costs $2.25. Which equation can be used to find 'c', the total cost of a bouquet with 'r' roses?
- A. c = (5 + 2.25)r
- B. c = 5r + 2.25
- C. c = 5 + 2.25r
- D. c = 5 + (5-2.25)r
- D. None of these
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