Mathematics
Mathematics, 22.10.2020 18:01, bnnn

Mrs. Green's Christmas tree has red, blue, and gold ornaments. 30% of the ornaments are blue and 40% are red. If there are 150 ornaments on the tree, how many are gold?

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Mrs. Green's Christmas tree has red, blue, and gold ornaments. 30% of the ornaments are blue and 40%...

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