Answer:
Elena made 10 batches.
Explanation:
1 batch uses 2/3 cup
Elena used 6 2/3 cup
The number of batches is the quotient of 6 2/3 and 2/3.
We need to divide 6 2/3 by 2/3. First, we convert 6 2/3 into a fraction.
6 2/3 ÷ 2/3 = 20/3 ÷ 2/3 = 20/3 × 3/2 = 10
Answer: Elena made 10 batches.