Answer
1.→Ten pizzas are shared equally among five people, and you want to know how much each person gets.
\(\frac{10}{5}=2\)
2.→Five pizzas are shared equally among four people, and you want to know how much each person gets.
\(\frac{4}{5}=0.8\text{Part of a Pizza}\)
3.→Zero pizzas are shared equally among five people, and you want to know how much each person gets.
\(\frac{0}{5}=0\)
4.→Four pizzas are shared equally among zero people, and you want to know how much each person gets.
4÷0=Not Defined
⇒Option 4, has No Solution.