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Mathematics, 04.12.2020 05:30 Gearyjames8

A bag contains 120 marbles. Some are red and the rest are black. There are 19 red marbles for every black marble. How many red marbles are in the bag? Upload an image to show your work, including an appropriate representation, for the previous question.

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A bag contains 120 marbles. Some are red and the rest are black. There are 19 red marbles for every...
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