5) the records of 100 snhu students show the following courses taken: 53 students took history 41 students took marketing 48 students took writing 18 students took history and marketing 21 students took marketing and writing 7 students took all 3 courses 9 students took none of these courses answer the following questions. show how you obtained your solution. a) how many students took marketing and writing, but not history? b) how many students took only history? this problem is similar to example 10 and to exercises 25–28 in section 1.2 of your snhu mat230 textbook