Mathematics, 11.05.2021 18:10 eduardo60

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?
A
36
B
80
C
120
D
200

Answers: 1

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