The answer is 22.5 because the total area is 45 if you count it, and it says each is 1/2.
1/2 * 45 = 22.5.
Hope this helped☺☺
7/36
Multiply the top together and then the bottom together and the final numbers on top and bottom is your answer.
Answer:

Step-by-step explanation:
Let p represent cost of each drink.
We have been given that the medium pizza costs two times as much as one drink, so the cost of medium pizza would be
.
We are also told that the large pizza costs three times as much as one drink, so the cost of la pizza would be
.
We have been given that Mary wants to buy one large pizza, one medium pizza, and three drinks.
Since the cost of one drink is p, so cost of 3 three drinks would be
.
The total cost of one large pizza, one medium pizza, and three drinks would be 
Mary started with $30, so amount left after all of her purchases would be 30 minus total cost of all purchases.

Therefore, Mary will have
dollars left after making all of her purchases.
I could be wrong but i graphed it out and 9 is C , 10 is A , and 11 is C Hopefully it's right