SOLUTION: in a certain class 40percent of the student are girls and 20 percent of the girls wear glasses.what percentage of the children in the class are girls who wear glasses?
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Question 636696: in a certain class 40percent of the student are girls and 20 percent of the girls wear glasses.what percentage of the children in the class are girls who wear glasses?
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
in a certain class 40percent of the student are girls and 20 percent of the girls wear glasses.what percentage of the children in the class are girls who wear glasses?
ans:-
let there be 100 students
so no of girls=40
20% of girls=20%of40=20*40/100=8 wear glass
means 8 out of 100 students wear glass
i.e 8%students wear glass ans
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