The number of students (boys and girls together) studying in school B are what percent less than that in school D

  • 20
  • 15
  • 40
  • 25
  • 30
  • Explanation:

    Required percentage

    =(260+440)-140+350)/(260+440)×100

    =700-490/700×100

    =210/7=30%


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The number of students (boys and girls together) studying in school B are what percent less than tha
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