Question

there are 63 student in a class are 5/7 are boys? how many girls are there in class
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Answer 1

Answer:

it is very easy

go home and tell your teacher plz give me thanks

Answer 2

No of students = 63
Portion of boys = 5/7
Portion of girls =1/1 - 5/7 =2/7
Therefore no of girls = 63 * 2/7
=18 girls