math

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If there are 264 students in a school and there are 84 eighth graders and There are 22 fewer seventh graders than sixth graders. Then which grade has the most students and how many students are there.

  • math -

    sixth graders ---x
    7th graders ---- x-22
    8th graders --- 84

    solve : 84 + x-22 + x = 264
    etc.

  • math -

    Thank you

  • math -

    No you do not need to regroup

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