there are 20 girls and 15 boys in a class. (a) what is the ratio of number of girls to the number of boys? (b) what is the ratio of number of girls to the total number of students in the class?
piyush120:
total ratio =20/15
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Answered by
21
a)Total number of girls are 20
Total number of boys are 15
Required ratio = 20/15
=4/3=4:3
b)Number of girls are 20
Total students are 20+15=35
Required ratio=20/35
=4/7=4:7.
Total number of boys are 15
Required ratio = 20/15
=4/3=4:3
b)Number of girls are 20
Total students are 20+15=35
Required ratio=20/35
=4/7=4:7.
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Answered by
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the ratio = 20:15 = 4:3
ratio of number of girls to total number of students = 20/20+15 = 20/35
= 4/7 = 4:7
ratio of number of girls to total number of students = 20/20+15 = 20/35
= 4/7 = 4:7
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