scottgeorge274
scottgeorge274 scottgeorge274
  • 20-03-2017
  • Mathematics
contestada

the ratio of boys to girls in a class is 4:5, what fraction of the class is boys

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Аноним Аноним
  • 20-03-2017
boys:girls = 4/5

boys = 4/(4+5) = 4/9 of the class
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coolpulkit940
coolpulkit940 coolpulkit940
  • 20-03-2017
total no boys and girls be 4x and 5x
there total students =9x
no of boys by total no of students =4x/9x
4/9
Answer Link

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