Task: Question Answering
Input (English): Problem: there are two cars. one is 100 miles north of the other. simultaneously, the car to the north is driven westward at 10 miles per hour and the other car is driven eastward at 15 miles per hour. how many miles apart are the cars after 3 hours ?
Options: a. 125, b. 150, c. 200, d. 225, e. 250
Output (English): a