Answer:
3/2 or 1.5
Step-by-step explanation:
⇒ common ratio =r=3 and the given sequence is geometric sequence. Where an is the nth term, a is the first term and n is the number of terms. ⇒ 12th term is 708588 . ⇒Sum=1062880 .
1 cup will be left. That is because each batch uses

cups.

11 Cups will be used.
B, 10.71
I might not be right, so don't blame me