Question
45% liked literature, 70% liked music and 15% liked none.if 60 students liked both subjects. Find the number of students participated in this survey.
Answers
John
Use a VENN diagram here.
15% like none
45% - overlap like literature
70% - overlap like music
These are supposed to add up to 100%
The add up to 130 which means that 30% would be in the overlap of liking both
.30 x = 60
x = 200
x = 400
15% like none
45% - overlap like literature
70% - overlap like music
These are supposed to add up to 100%
The add up to 130 which means that 30% would be in the overlap of liking both
.30 x = 60
x = 200
x = 400
200