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Ok, the problem says:
a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true?
a. the ratio of 6th graders to 7th graders is 5 to 6.
b. the ratio of 8th graders to 7th graders is 3:2.
c. the ratio of 6th graders to students in all three grades is 1:3.
d. the ratio of 8th graders to students in all 3 grades is 4 to 15.

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panda

  1. b. 8th:7th = 2:3

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    helper

  2. Are you supposed to solve these problems like this?

    Cross multiply and solve for x.

    a.
    125/150 = x/6
    150x = 750
    x = 750/150
    x = 5

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    Ms. Sue

  4. Thank you helper so much!!!!:)

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    panda

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