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09-02-2018
Mathematics

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The ratio of red marbles to blue marbles in Simran’s bag is equal to 1 to 1. If there are 20 red marbles, how many blue marbles are there?

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Аноним Аноним

09-02-2018

If the ratio is 1:1, then there must be 20 red marbles and 20 blue marbles. If it weren't 1:1, then there would be a different amount of blue marbles. But since they are both 1:1, there has to be 20 red and 20 blue marbles.
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