In Lee Middle School, the ratio of the number of fifth-graders to the number of sixth-graders is 5 to 4, and there are 15 more fifth-graders. If the ratio of the number of sixth-graders to the number of seventh-graders is 4 to 5, what is the mean number of students in the three grades? Your Answer:

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Q: In Lee Middle School, the ratio of the number of fifth-graders to the number of sixth-graders is 5…

A:

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A:

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

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