Out of 38 girls,3 were absent,20% of the remainder failed to do homework.how many girls did the homework
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Total no of girls present = 38-3 =35
No of girls failed to do home work = 20% of 35 = 20/100 ×35 = 7 .No of girls done the home work = 35 -7 = 28 girls.
No of girls failed to do home work = 20% of 35 = 20/100 ×35 = 7 .No of girls done the home work = 35 -7 = 28 girls.
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