In a school, out of 300 students, 70% are girls and 30% are boys. If 30 girls leave and no new boy is admitted, what is the new percentage of girls in the school?
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Answer:
60 percent
Step-by-step explanation:
total number of students =300
no. of girls = 70/100×300= 210
no. of boys= 30/100×300=90
30 girls left the school,
no.of girls (now) = 210 -30= 180
percentage of girls= 180/300×100=60
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