SOLUTION: n(A-B)=30 and n(AUB)=130.find n(B).

SOLUTION: n(A-B)=30 and n(AUB)=130.find n(B).

Algebra.Com

Question 1085981: n(A-B)=30 and n(AUB)=130.find n(B).
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
n(B) = 130 - 30 = 100.

Since B = (AUB) \ (A-B) (which is OBVIOUS).

RELATED QUESTIONS
if n(A)=30 ,n(B)=40 ,and n(AUB)=45,find... (answered by Tatiana_Stebko)

n(a)=20 n(b)=44 and n(aub)=51 find- n of A intersection... (answered by sachi)

n(AUB) = 150 n(ANB) = 50 n(A-B) = 20 find... (answered by lynnlo)

If n(B)=25, n(AnB)=8 and n(AUB)=34, what is... (answered by robertb)

If A=B n(A)=42, n(B)=75 find... (answered by stanbon)

if n(a)=24, n(b)=17 and n(universal)=40. find the greatest and least values of 1- n(AnB) (answered by ikleyn)

if n(A)=7, n(B)=15, and n(A∩B)=5; what is... (answered by MathLover1)

If n(A) = 40, N(B) = 117, and n(AUB) = 137, what is... (answered by MathLover1)

let a and b be two finite sets such that n(A)=15,n(B)=10 and n(AUB)=13 find... (answered by stanbon)