Question

the number of boys and girls in a class are in the ratio 4:5 if the number of boys is 12,then what is the number of girls in the class ​

Answer 1

Step-by-step explanation:

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Let, number of girls in the class be x

given that

boys : girls = 4 : 5

12 : x = 4 : 5

x = 12 × 5/4

x = 15

Therefore number of girls in the class is 15.

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