Answer:
Below
Explanation:
I assume you want the total cost for the roses:
r = roses cost = 3 r
d = daisies = (3+r) cost = 1 ( 3+r) Summed = $ 15
3r + 1 (3+r) = 15
4r + 3 = 15
4r =12
r = 3 roses they cost $3 each = $ 9 total for roses
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