Question

Let X and Y be the following sets X={5,6,10,12,15,18} Y={6,10,12,15} which of the following is the set XUY

Answer 1

{5,6,10,12,15,18}

Explanation:

X={5,6,10,12,15,18}

Y={6,10,12,15}

XUY={5,6,10,12,15,18}

You don't need to put a number more than once.