Answer:
Nico bought a chef salad and a pizza.
Explanation:
Nico spent eight dollars and seventy-five cents on lunch
This value in numerals is $8.75.
Hamburger $4.20.
Chef salad $4.50.
Tune sandwich $4.05.
Pizza $4.25
Now, we can see that chef salad and pizza add up to become 8.75

Hence, Nico bought a chef salad and a pizza.