The ratio of the number of girls to the number of boy's in a school is 2:5. lf the number of boys is 225, find : the number of students in the school and girl's in the school
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Let, the number of girls in school = x
Number of boys in school = 225
According to question 2 : 5 = x : 225
=> 5 x x = 2 x 225
x = (2 × 225)/5 = 2 x 45 = 90
Number of girls in school = 90
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