The students in three classes are in the ratio 4:6: 9. If 12 students are increased in each class, the ratio changes to 7:9:12. Then the total number of students in the 2nd Class before the increase is
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If 12 students are increased in each class, the ratio changes to 7 : 9 : 12. Then the total number of students in the three classes before the increase is. 95. please sir mark me as brainliest please like also
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