Mathematics, 03.08.2019 07:40 paolacorazza

Ajar contains 7 blue marbles, 12 red marbles, and 4 green marbles. what is the ratio of red marbles to the total number of marbles in the jar?

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Ajar contains 7 blue marbles, 12 red marbles, and 4 green marbles. what is the ratio of red marbles...