In a certain class 40% of the students are girls; and 20% of the girls wear glasses, what percentage of the children in the class are girls who wear glasses?

Question

Mathematics

Eileen Riggs

18 December, 00:51

In a certain class 40% of the students are girls; and 20% of the girls wear glasses, what percentage of the children in the class are girls who wear glasses?

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Answers (1)

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Essence Russell · Answer 1

For example

let there be 100 students

so the number of girls=40

20% of girls=20%of40=20*40/100=8 wear glasses

Which means 8 out of 100 students wear glasses

So 8%students wear glasses