Question

There are 160 healthy boys in a school. On admission of how many new unhealthy boys the % Of unhealthy boys will be 20%?

Answer 1

Answer:

so the answer will be 32 unhealthy boys in the scl

Answer 2

Answer:

On admission 40 new unhealthy boys are admitted.

Step-by-step explanation:

Let us consider the total percentage of boys to be 100%

It is given that percentage of unhealthy boys are 20%

So, the percentage of healthy boys =80%

Now a number of healthy boys= 160 boys

Therefore, 160 boys =80 %

100%= 160*100/80

100%=200 boys

There are toral 200 boys in the school,

out of which 160 are healthy boys and 40 are unhealthy boys.

On admission 40 new unhealthy boys are admitted.

Which is 20%.

#SPJ2