Asked by EBISA
In survey of 100 students in the instate of language studies at oxford university the number of students studying various language in the last four years were found to be: Italian 28, german 30, French 42, Italian and german 8, german and French 5, all the three language 3 (A) Venn diagram
(B) how many students were studied all languages
(C) how many students studied only Italy and germany
(D) how many students studied French only
(B) how many students were studied all languages
(C) how many students studied only Italy and germany
(D) how many students studied French only
Answers
Answered by
oobleck
If x studied Italian and French, then
(28+20+42) - (8+5+x) + 3 = 100 - (# not studying any)
(28+20+42) - (8+5+x) + 3 = 100 - (# not studying any)
Answered by
Tadios Tamirat
Answer
Answered by
Tadios Tamirat
Thanks
Answered by
Tinaku
Tinaku