Question: Given the following sets: A = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} B = {3, 6, 9, 12, 15, 18} C

Given the following sets:

A = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20}

B = {3, 6, 9, 12, 15, 18}

C = {4, 8, 12, 16, 20}

Find:

n (A B)

Do not list the elements.

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