Mathematics, 01.07.2019 15:30, joe805

The ratio of girls to boys in mr. smith's homeroom is 3: 4. the ratio in mr. smith's homeroom to students in the whole 7th grade is 1: 5. the ratio of students in 7th grade to students in the whole middle school is 2: 7. if there are 12 girls in mr. smith's homeroom, how many students are in the whole middle school?

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The ratio of girls to boys in mr. smith's homeroom is 3: 4. the ratio in mr. smith's homeroom to stu...