Task: Question Answering
Input (English): Problem: a rectangular swimming pool is 20 feet by 28 feet . a deck that has uniform width surrounds the pool . the total area of the pool and deck is 884 square feet . what is the width of the deck ? 
Options: a ) 2 feet , b ) 2.5 feet , c ) 3 feet , d ) 4 feet , e ) 5 feet
Output (English): c