Mathematics, 06.05.2021 22:50 Andinojose

A middle school has sixth grade, seventh grade, and eighth grade students. There are 136 sixth graders and 119 seventh graders. The probability of selecting an eighth grader randomly from all of the students is 0.25 . How many students at this school are eighth graders?

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A middle school has sixth grade, seventh grade, and eighth grade students. There are 136 sixth grade...

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