Task: Question Answering
Input (English): Problem: there are two cars . one is 160 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 30 miles per hour . how many miles apart are the cars after 3 hours ? 
Options: a ) 180 , b ) 200 , c ) 220 , d ) 240 , e ) 250
Output (English): b