Mathematics, 09.07.2019 13:30 trvptierra

Marco has a bag of 50 colored marbles. there are 12 blue marbles,18 black marbles, and 20 red marbles. what is the ratio of the numbers of black marbles to the number of blue marbles

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Marco has a bag of 50 colored marbles. there are 12 blue marbles,18 black marbles, and 20 red marble...

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