There are 120 girls and  57 boys in the the school. If 5% of the girls leave and no new pupils are admitted , what percent of whole school would be boys?

Asked by khare.shubhangi | 13th Jul, 2017, 07:57: PM

Expert Answer:

begin mathsize 16px style Number space of space girls equals 120
5 percent sign space of space girls space left.
rightwards double arrow Number space of space girls space left equals 5 over 100 cross times 120 equals 6
therefore space Remaining space girls equals 120 minus 6 equals 114
Number space of space boys equals 57
Total space number space of space students equals 114 plus 57 equals 171

Hence comma space percentage space of space boys space in space school equals 57 over 171 cross times 100 equals 1 third cross times 100 equals 33.33 percent sign end style

Answered by Rashmi Khot | 14th Jul, 2017, 09:06: AM