In a certain computer company, 3/5 of the programmers know fortran, 1/6 know cobol, and 1/10 know both. what fraction know neith

Question

olya-2409 [2.1K]

4 years ago

13

In a certain computer company, 3/5 of the programmers know fortran, 1/6 know cobol, and 1/10 know both. what fraction know neith

er fortran nor cobol?

Mathematics

1 answer:

koban [17] · Answer 1 · 2022-01-02T23:56:48+03:00

koban [17]4 years ago

6 0

Given that 3/5 know fortran
1/6 know cobol
1/10 know both fotran and cobol
the fraction of programmers who knows at least one of the two programs will be:
3/5+1/6+1/10
=13/15
the fraction of programmers who don't know either of the two will be:
1-13/15
=2/15
thus the answer is 2/15