To determine which expression is represented by the model of the pumpkin patch with the corn mazes, we need to analyze the information given.
We have:
- 28 acres represented by a model with 4 rows of 7 squares.
- 14 acres represented by a model with 2 rows of 7 squares.
Now, let's break down the expressions:
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28 + 14 = 7 (4 + 14): This expression doesn't make sense because 4 and 14 are not related in a significant way when added to 7.
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28 + 14 = 4 (7 + 2): This expression is incorrect because the left side (28 + 14 = 42) does not equal 4 (7 + 2).
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28 + 14 = 4 (14 + 28): This is incorrect as well since the left side does not equal the right side.
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28 + 14 = 7 (4 + 2): This expression is the only one that makes some sense but still doesn't align precisely with how we add the sections. The left side equals 42, and 7 should have no direct relation to the sum of the different sections in the expression.
It seems there might be a misalignment or error in the original question as none fully capture the relationships apparent in the model considering the acres.
If we focus solely on the quantities of corn mazes without this algebraic manipulation relevance, we can summarize what's visually represented without making it a proportional relation simply:
The representation in total is comprised of the separate areas laid out without specific association to isolated sums in combination with the rows.
Thus, no expression conclusively represents the model due to inherent contradictions in logical association.
However, if solely attempting to match pairs, perhaps the last option ("28 + 14 = 7 (4 + 2)") could be adapted more closely around the ideas expressed numerically but remains incorrect for true representation.
In summary, clarity needs to be sought in the relational quantities of the remaining models laid out in terms of physical area versus algebraic representation.