Mathematics, 22.09.2019 15:30 ob3ymysins

5. there were some blue marbles and white marbles in a bag.
if 70 blue marbles were to be removed from the bag, the ratio of the number of blue marbles to the number of white marbles would be 3: 4. if 112 white marbles were to be removed from the bag instead, the ratio of the number of blue marbles to the number of white marbles would be 8: 7. when 48 more blue marbles were to be added into the bag, what percentage of all marbles would be blue marbles?
no algertba pls

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