Answer:
8 invisibility potions
Explanation:
2 eyes of a newt is required to make 1 invisibility portion
Therefore,
2 eyes of newt = 1 invisibility potion
16 eyes of newt = x invisibility potions
We would cross multiply
2x = 16
x = 16 รท 2
x = 8 invisibility portions.
Therefore, Lucia can make 8 invisibility potions with 16 newt.