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Posted by on Wednesday, December 7, 2011 at 12:45am.

There are 57 students in class of 6th and 7th graders. There are twice as many 6th graders. How many 6th graders?

  • math - , Wednesday, December 7, 2011 at 6:53am

    divide 57 into 3 equal parts. each part is thus 19.

    So, two of the parts are 6th graders: 38
    The other part are 7th graders: 19

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