Form the union for the following sets.

R = {10, 15, 20}

S = {20, 25}

R ∪ S =

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Leslie has $8.60 in dimes and quarters. If he has 12 more quarters than dimes, How many dimes does he have? ✓Follow publicly✓Follow privatelyUnfollow

Three identical boxes are balanced on one side of a scale by a 750-g mass on the other side. What is the mass of each box?

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