Task: Question Answering
Input (English): Question: Machine R takes 2 more hours than machine B to make 20 widgets. If working together, the machines can make 25 widgets in 3 hours, how long will it take machine R to make 40 widgets?

 Option A:  5

 Option B:  6

 Option C:  8

 Option D:  10

 Option E:  12
Output (English): Option E