Answer:
c
Step-by-step explanation:
Top left; you get 54 from doing 180-126 and then you do 180-61-54 to get 65
The second one because the answer to the first one is a two digit number and the answer to the second is a one digit number, so #2 only uses two 2-digit numbers
It would depend on how many cups. 2 cups is equal to 240 g. 5 cups is equal to 600 g.