9. A group of 82 students were surveyed. and it was found that each of the students surveyed liked at least one of the following: coke, ice cream. and bubble tea. 4O liked coke. 48 liked ice cream. 40 liked bubble tea. 20 liked coke and ice cream. 19 liked ice cream and bubble tea. 19 liked coke and bubble tea. 22 liked exactly two of the following fruits: coke. ice cream. and bubble tea How many students liked coke and bubble tea, but not ice cream