Final answer:
The mother made a total of 21 cookies altogether.
Step-by-step explanation:
To find the total number of cookies that were made, we can add up the number of cookies eaten by Franxine, his dad, given to the neighbor, and the remaining cookies.
Number of cookies eaten by Franxine = 2
Number of cookies eaten by Dad = 3
Number of cookies given to neighbor = 12
Number of remaining cookies = 4
Total number of cookies = 2 + 3 + 12 + 4 = 21
Therefore, the mother made a total of 21 cookies altogether.