The total number of students in a school is 130.The raito of girls to boys is 2:3.Find the raito of.
(i) the number of boys to the total number of students
(ii) the total number of students to the number of girls
(iii)the number of boys to the number of girls
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The total number of students in a school is 130. The rati (1) the number of boys to the total number of students.
manvirK474:
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The total number of students in a school is 130. The rati (1) the number of boys to the total number of students.
1 is answer
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no.of girls = 2x
no.of boys = 3x
total students = 130
2x + 3x = 130
5x = 130
x = 130/5
x = 26
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no.of girls = 2(x) = 2(26) = 52
no.of boys = 3(x) = 3(26) = 78
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(i) 78:130
= 39:65
(ii) 130:52
= 65:26
(iii) 78:52
= 39:26
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I hope you understand
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harshini
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