Math, asked by sunil277, 1 year ago

there are 42 students in the class and 5/7 of the students are boys. how many girls are there in the class?

Answers

Answered by AmanKumarYadav1
1
5/7 of 42 are boys
which is equal to 30 boys
so girls = 42-30. =12 ans...

...

Smokedem1: mistake
Smokedem1: it shud be 42-30
Smokedem1: the strength is 42,not 40
AmanKumarYadav1: oh thank you
Answered by Smokedem1
0
5/7 of the strength is boys, so 2/7(1 - 1/7) are girls.
Thus, no. of girls =(2/7)×42
=12
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