First you want to get the total number of students, you get this my adding all of the responses, 98. Then because a is asking for the chance of the student liking country or tacos we add those two categories and put it over 98, 77/98. For b they are asking for people who don’t prefer jazz (people who prefer country) To get this you will put the total of people who don’t prefer jazz over 98, 32/98