Question

There are 20 girls and 57 boys in a school .if 15% of girls leave and no new pupils are not admitted ,what percentage of the whole school will be boys?​

Answer 1

Answer:

33.33%

Step-by-step explanation:

Number of girls (A)=120

Number of boys (B)=57

Number of girls leaving the school (C)=5% of 120 =6

Final Number of Girls after (D)=120−6=114

total number of students students (T)=B+D=114+57=171

Percentage of boys =

T

B

×100=

171

57

×100=33.33%

The percentage of boys in school is 33.33%

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Answer 2

Answer:

77 1/37%

Step-by-step explanation:

Please refer to the above attachment.

Hope it helps you.

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