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Math

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2/9 of the number of pupils are boys. There are 75 more girls than boys. How many pupils are there in the school?

  • Math -

    No of girls=(1-2/9)x=7/9x. therefore 7/9x= (2/9)x+75,Collect like terms:7/9x-2/9x=75,finish the process and find x

  • Math -

    75

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