361 students at a university has taken a course in the analysis, 223 have taken a course in discrete mathematics, and 188 have read both courses. How many students at the university have taken a course in either analysis or discrete mathematics?
361 students at a university has taken a course in the analysis, 223 have taken a course in discrete mathematics, and 188 have read both courses. How many students at the university have taken a course in either analysis or discrete mathematics?
Hello, Petrus!
There is just barely enough information.
361 students at a university has taken a course in Analysis,
223 have taken a course in Discrete Mathematics,
and 188 have taken both courses.
How many students at the university have taken a course in either Analysis or Discrete Mathematics?
We can use this formula:
. .
Or we can place the information into a chart . . .
. .
And we can fill in more data . . .
. .
Therefore: .