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Sophie [7]
3 years ago
10

A bag contains marbles. Some are blue and the rest are red. There are 3 blue marbles for every red marble. How many blue marbles

are in the bag?​
Mathematics
1 answer:
Soloha48 [4]3 years ago
7 0

Answer: Doubling the red marbles means that each 2 red marbles will be replaced by 4 red marbles. So after doubling the red marbles for each 3 blue marbles there will now be 4 red marbles, giving a new ratio of 3:4.

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