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kodGreya [7K]
3 years ago
12

A bag contains both black and red marbles. The ratio of black to red marbles is 3:4.

Mathematics
1 answer:
sesenic [268]3 years ago
8 0

The total number of marbles in the bag is 7, since 3+4=7. There are 3:4 black marbles, so 3/7 of the bag is black marbles, which can be written as 3:7.

4/7 of the bag is red marbles, which can be written as 4:7

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