Question

How many meat balls are required for a party of 10 adults and 5 children

Answer 1

the formula for this is m = 4a + 2c, where c = number of children; m = number of meatballs; a = number of adults.

m = (4 x 10) + (2 x 5)
simplify,
40 + 10 = 40
The answer to this is 40 meatballs.