Question

55 per cent of the students in a school are girls. What percentage of the students are boys? Find the number

of students, if there are 216 boys​

Answer 1

total of students is 480

Step-by-step explanation

let t = total of students.

if 55% of the students in school are girls.

then 45% of the students in the school are boys.

if there are 216 boys in school.

`45\% * t = 216 \\ t = (216)/(45\%) \\ t = (216)/( (45)/(100) ) \\ t = (216 * 100)/(45) \\ t = 480`

Answer 2

Percentage of boy students is 45 per cent.

The total number of students is 480.

Explanation:

To find the percentage of boy students, just subtract 55% (the percentage of girl students) from 100%, then you'll get 45%.

To find the total number of students, just use algebraic equation, rearrange it, and solve for x.

The workings are shown in the picture attached. Hope this helps!