In a certain class 40% of the students are girls; and 20% of the girls wear glasses, what percentage of the children in the clas s are girls who wear glasses?
1 answer:
<span>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</span>
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