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
Another question on Mathematics
Mathematics, 21.06.2019 20:40
David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.
Answers: 1
Mathematics, 21.06.2019 23:00
Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1
Answers: 3
You know the right answer?
Oliver interviewed 30% of the 9th-grade class and 70% of the 10th-grade class at his school. Jenny i...
Questions
Geography, 09.09.2019 21:10
Mathematics, 09.09.2019 21:10
