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:
A
Step-by-step explanation:
-4g + 12 = 16 then -12 on the both side
-4g = 4 then divided by -4, you will get g = -1