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25 August, 14:39

The ratio of red marbles to blue marbles is 3 to 7 she has a total of 80. how many red and blue marbles

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  1. 25 August, 15:07
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    This means that 3/10 are red and that 7/10 are red, so 7/10 (80) = 56blue marbles and 3/10 (80) = 24red marbles
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