Form the union for the following sets.

R = {10, 15, 20}

S = {20, 25}

R ∪ S =

The Answer is {10, 15, 20, 25}

The Union of two sets means you combine the two sets. However, each number will only be counted once. This means that if you have the sets

A = {1, 2}               and

B = {2, 3}

The union of the two would be

A∪B {1,2, 3}

So, all you need to do is combine the two sets, and then remove any duplicates.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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