Asked by Jennifer
In a class of 112 student, 65 offer maths and 75 offer biology, show the information using venn diagram, 2 find the number of student that study both subject
Answers
Answered by
Jennifer
Pls i need an answer
Answered by
mathhelper
You need to know how to do this, the answer is an afterthought.
Did you make your Venn diagram?
Clearly the intersection of the two circles is missing, label it x
then the Math only part would be 65-x, and the Biology only part is 75-x
Assuming all 112 take at least one of the 2 subjects, we have
65-x + x + 75-x = 112
solve for x
test if it makes sense, let me know what you get
Did you make your Venn diagram?
Clearly the intersection of the two circles is missing, label it x
then the Math only part would be 65-x, and the Biology only part is 75-x
Assuming all 112 take at least one of the 2 subjects, we have
65-x + x + 75-x = 112
solve for x
test if it makes sense, let me know what you get
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