Question

Que. There are 120 boys and 57 girls in a school. If 5% of the boys leave and no new students were admitted
what percentage of the whole school will be girls?
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Answer 1

Answer:

There are 120 boys and 57 girls in a school.

If 5% of the boys leave and no new pupils are admitted, what percentage of the whole school will be girls

:

Find the total number of students

120 + 57 = 177 students

:

Find how many girls leave

.05*120 = 6 boys

:

Total students now

177 - 6 = 171 students

:

Find percentage girls

57/177 x 100 = 33⅓ %

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