Question

2. If n(A x B) = 20 and n(A) = 5 then n(B) is​

Answer 1

Answer:

4 is the answer

Step-by-step explanation:

solution here;

n (A×B)= 20

n (A)= 5

n (B)= ?

now,

n (A)×n (B)= 20

or, 5×n (B)= 20

or, n (B)= 20÷5

or, n (B)= 4

thus the value of n (B)=4.