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Spanish, 24.12.2020 15:00 s0cial0bessi0n

A class has girls and boys in the ratio 4:5 .Among the girls, the ratio of mathematics and physics student in the entire class is 3:2 . what percentage of class comprises girls studying mathematics?

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A class has girls and boys in the ratio 4:5 .Among the girls, the ratio of mathematics and physics s...
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