Mathematics, 16.04.2021 02:10, rdrboo

Oliver interviewed 30% of the 9th grade class and 70% of the 10th grade class at his school. Jenny interviewed 75% of the 9th grade class and 25% of the 10th grade class at the same school. Oliver interviewed a total of 176 students and Jenny interviewed 140 students. How many more 10th graders than 9th graders were interviewed?

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Oliver interviewed 30% of the 9th grade class and 70% of the 10th grade class at his school. Jenny i...