In a class of 42 students, the number of boys is 2/5 of the girls. Find the number of boys and girls in the class.
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7
Total number of students are 42
Therefore boys are 2/5of girls
In converting into ratio
The number of boys : girls
Is 2:5
Therefore.2+5=7
2/7×42=12 boys
=5/7×42=30 girls
asickmallick2005:
Hope this answer is correct
Answered by
5
Since the no. of boys is 2/5 of the no. of girls, it means that the ratio of the no. of boys to the no. of girls is 2:5.
2+5=7
7 units=42
1 unit=6
No. of boys=2 units=2x6=12
No. of girls=5 units=5x6=30
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