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12 April, 18:43

What is the probability of selecting a seventh-grader from a school that has 250 sixth-graders, 225 seventh-graders, and 275 eighth-graders?

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  1. 12 April, 19:28
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    3/10 or 0.3 or 30%

    Step-by-step explanation:

    Its 225/750 total students

    We simplify this by dividing by 5

    45/150

    Divide by 5 again

    9/30

    Divide by 3

    3/10
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