Free !
a group of friends ordered two pizzas, one with pepperoni and one with mushrooms and green peppers. a plain pizza costs 9 dollars. each extra topping costs 1 dollar. how much did the two pizzas cost?

a.

18 dollars

b.

21 dollars

c.

20 dollars

d.

22 dollars

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.