Question

There are 30 students in a class .60% of them are boys,
a) Find the number of boys.
b) Find the number of girls.

Answer 1

Answer

AnswerNo.of children = 60

AnswerNo.of children = 60 Percentage of girls = 30 %

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60×

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 100

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 10030

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 10030

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 10030

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 10030 =18

AnswerNo.of children = 60 Percentage of girls = 30 %So total numbers of girls = 30 % of 60We can write it as =60× 10030 =18Number of boys =60−18=42

SARANGHAE

Answer 2

Answer:

a) there 18 boys in the class

b) there 12 girls in the class

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