which of the following demonstrates the associative property of multiplication

A. (3 + 5) x 2 = 3 + (5 x 2)

B. (3 x 5) x 2 = 3 x (5 x 2)

C. (3 x 5) x 2 = (3 x 5) x 2

D. (3 x 5) + 2 = (3 + 5) x 2

The correct answer is B. (3 x 5) x 2 = 3 x (5 x 2).