OpenStudy (anonymous):

I will give medal to appropriate answer In a certain school, there are 180 pupils in Year 7. One hundred and ten pupils study French, 88 study German and 65 study Indonesian. Forty pupils study both French and German, 38 study German and German only. Find the number of pupils who study: a) all three languages b) Indonesian only c) none of the languages d) at least one language e) either one ot two of the three languages.

3 years ago
OpenStudy (aravindg):

Do you know the basic formulas of set theory?

3 years ago
OpenStudy (aravindg):

f(AUB)=? f(A intersection B)=?

3 years ago
OpenStudy (anonymous):

i know but i did not asked for basic theory

3 years ago