Answer:
Step-by-step expla0000000000000000000000000nation:
The answer is 10 because divide 20 and 2 and you get 10
He bought 8 lunches $20.00 divided by $2.50 is 8
1 topping on the 8$ they will cost the same but the 10$ cost more with aditional toppings unless both pizzas have 5 toppings then the 8$ would cost 50 cents more
