Task: Question Answering
Input (English): Problem: a solution contains 8 parts of water for every 7 parts of lemonade syrup. how many parts of the solution should be removed and replaced with water so that the solution will now contain 25 % lemonade syrup ?
Options: a. 1.5, b. 1.75, c. 2.14, d. 2.34, e. 2.64
Output (English): c