Math Word Problem

Question

How many members of Set A are factors of any members of Set B?

SET A = {0,1,2,3,4,5}

SET B = {1,2,7,9,10}

Answer 1

A = {0,1,2,3,4,5}

B = {1,2,7,9,10}

 

1 is a factor of everything

2 is a factor of 2 and 10

3 is a factor of 9

5 is a factor of 10

 

4 elements of A are factors of elements of B