Task: Question Answering
Input (English): Problem: running at the same constant rate , 15 identical machines can produce a total of 45 bags per minute . at this rate , how many bags could 150 such machines produce in 8 minutes ? 
Options: a ) 9,00 , b ) 1,800 , c ) 2,700 , d ) 3,600 , e ) 4,800
Output (English): d