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25-05-2017
Mathematics

contestada

The ratio of boys to girls in a class is 4 : 5

a) What fraction of the class are girls
b) What fraction of the class are boys

Respuesta :

eliza154 eliza154

25-05-2017

the ratio is 4:5 so the class has been split up into 9 equal parts (4+5=9)

therefore -
a)4/9
b)5/9

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