SOLUTION: Find the Cartesian product or cardinal number as requested. n(A × B) = 90 n(A) = 10 Find n(B). thank you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the Cartesian product or cardinal number as requested. n(A × B) = 90 n(A) = 10 Find n(B). thank you      Log On


   

Question 439411: Find the Cartesian product or cardinal number as requested.

n(A × B) = 90
n(A) = 10
Find n(B).
thank you
Answer by shantalboodram(15) About Me  (Show Source):
You can put this solution on YOUR website!
n(A x B) = n(A) x n(B)
n(A) = 10
therefore 10 x n(B) = 90
hence n(B) = 90/10 = 9