Task: Question Answering
Input (English): Problem: in a certain warehouse , 40 percent of the packages weigh less than 75 pounds , and a total of 48 packages weigh less than 25 pounds . if 80 percent of the packages weigh at least 25 pounds , how many of the packages weigh at least 25 pounds but less than 75 pounds ? 
Options: a ) 8 , b ) 64 , c ) 48 , d ) 102 , e ) 144
Output (English): c