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

Respuesta :

Аноним Аноним

20-03-2017

boys:girls = 4/5

boys = 4/(4+5) = 4/9 of the class

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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

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