Task: Question Answering
Input (English): Problem: in what ratio must tea at rs. 60 per kg be mixed with tea at rs. 70 per kg so that the mixture must be worth rs. 67.5 per kg ?
Options: a. 3: 1, b. 3: 2, c. 4: 3, d. 1: 3, e. none
Output (English): d