Question

M=4a+2c how many meatballs are required for a party of 20 adults and 5 children

Answer 1

90 meatballs

Explanation:

m=4a+2c

m=4(20) + 2(5)

m=90

Answer 2

90 meatballs would be required

Plug in the info first
m = 4(20) + 2(5)

Multiply
m = 80 + 10

Add
m = 90

90 meatballs is required