Answer :
The number of flower arrangement and the costs are illustrations of linear equation
If Mrs. Dawson orders 1 small arrangement, it will cost $39 at either shop.
How to determine the number of small arrangements?
Represent the number of small arrangements with x, and the total cost with y.
Using the data from the question, we have:
Hampton Florist: y = 12x + 27.
Farid's Flowers: y = 32 + 7x
When both flower arrangements cost the same, we have the following equation
12x + 27 = 32 + 7x
Collect like terms
12x - 7x = 32 - 27
Evaluate the like terms
5x = 5
Divide both sides by 5
x = 1
This means that 1 small arrangement would cost the same in both flower shops
How to determine the total cost?
In (a), we have:
y = 12x + 27.
Substitute 1 for x
y = 12(1) + 27
y = 39
Hence, if Mrs. Dawson orders 1 small arrangement, it will cost $39 at either shop.
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