Task: Question Answering
Input (English): Problem: a man has $ 480 in the denominations of one - dollar , 5 - dollar notes and 10 - dollar . the number of dollars of each denomination is equal . what is the total number of dollar that he has ? 
Options: a ) 50 , b ) 60 , c ) 90 , d ) 48 , e ) 67
Output (English): c