Answer: One cup is same as 3/3 cups. 4 cups is same as 4*(3/3) cups thats 12/3 cups. Then you can conclude that if you have 2/3 cups, you will need 6 of them to get 4 cups.
Step-by-step explanation:
Answer:
A=2πrh+2πr^2
She made a sign error when multiplying and should have had 256 as a final answer.
