Task: Question Answering
Input (English): Problem: if two projectiles are launched at the same moment from 1182 km apart and travel directly towards each other at 460 km per hour and 525 km per hour respectively , how many minutes will it take for them to meet ? 
Options: a ) 68 , b ) 72 , c ) 76 , d ) 80 , e ) 84
Output (English): b