18.
Olivia wants to know how many
eggs are in 5 cartons that have
12 eggs each. Her friend, Abby,
says she should count how many
eggs are in one carton, and add
12 to that number. Her brother,
Joe, says she should count how
many eggs are in one carton
and multiply by the number of
cartons. How many eggs are in 5
cartons?