7392 rounded to the nearest hundred is 7400
This what got , hope it helps
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thanks me later (. ^ ᴗ ^.)
In this question , n represent the large packages . And total number of packages =12.
So , total number of small packages=12-n
Cost of large packages=$7 and of small packages=$4.50 .
So total cost is the sum of cost of large packages and cost of small packages .
That is

And in the second part, n=8 .
Substituting 8 for n, we will get

Answer:
Point C
Explanation: