Task: Question Answering
Input (English): Problem: two friends c and d leave point c and point d simultaneously and travel towards point d and point c on the same route at their respective constant speeds . they meet along the route and immediately proceed to their respective destinations in 32 minutes and 50 minutes respectively . how long will d take to cover the entire journey between point d and point c ? 
Options: a ) 90 , b ) 80 , c ) 75 , d ) 60 , e ) 65
Output (English): a