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Mathematics, 04.02.2021 22:10 marrizza7

Rosemarie made a necklace from materials that cost $30. She is going to sell the necklace to Betty at 390% of this cost. About how much should Betty pay for the necklace?

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Rosemarie made a necklace from materials that cost $30. She is going to sell the necklace to Betty a...
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