SOLUTION: There are 120 girls and 57 boys in a school. If 5% of the girls leave and no new pupils are admitted,what percentage of the whole school will be boys.(please give answer in detaile

Question 1016330: There are 120 girls and 57 boys in a school. If 5% of the girls leave and no new pupils are admitted,what percentage of the whole school will be boys.(please give answer in detailed method)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
There are 120 girls and 57 boys in a school.
If 5% of the girls leave and no new pupils are admitted, what percentage of the whole school will be boys
:
Find the total number of students
120 + 57 = 177 students
:
Find how many girls leave
.05*120 = 6 girls
:
Total students now
177 - 6 = 171 students
:
Find percentage boys
* 100 = 33 %
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