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Mathematics, 29.09.2019 09:30 nae467

In the school gym, the ratio of the number of boys to the number of girls was 4: 3. after 160 boys left the gym, the ratio became 4: 5. how many girls were there in the gym?

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In the school gym, the ratio of the number of boys to the number of girls was 4: 3. after 160 boys l...
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