A food stand sold hamburgers, ice cream cones, and hot dogs at a football game. Hamburgers were sold for $3.25, ice cream cones were sold for $2.50, and hot dogs were sold for $1.75. The total number of hamburgers, ice cream cones, and hot dogs sold was 104, and the total amount of money from these items was $248.75. If $80.50 was made just from selling hot dogs, how many ice cream cones were sold?