Answer:
112 meat balls are required for a party of 25 adults and 6 children.
Explanation:
As per the statement:
Frank has devised a formula for his catering business that calculates the number of meatballs he needs to prepare.
The formula is given by:

where;
c= number of children;
m= number of meatballs;
a= number of adults.
We have to find how many meat balls are required for a party of 25 adults and 6 children.
⇒a = 25 and c = 6
then;

Therefore, 112 meat balls are required for a party of 25 adults and 6 children.