Task: Question Answering
Input (English): Problem: a wholesaler wishes to sell 100 pounds of mixed nuts at $ 2.50 a pound . she mixes peanuts worth $ 1.50 a pound with cashews worth $ 5.00 a pound . how many pounds of cashews must she use ? 
Options: a ) 40 , b ) 45 , c ) 50 , d ) 55 , e ) 60
Output (English): b