Question

there are 30% boys in a certain school. if the total number of students in the school is 540, what is the number of boys in the school?​

Answer 1

Of the students in a certain school, 30% are boys.

The total number of students in the school is. 540.

:. the total number of boys= 30% of 540

= 30/100 × 540

= 162

Ans:- 162 students are boys.

Hope this helps you.

Please mark me brainliest

Thanks

Answer 2

Question :-

• There are 30% boys in a certain school. if the total number of students in the school is 540, what is the number of boys in the school?

___________________________________________

$\bf \:  ⟼ \large \red{AηsωeR } ✍$

$\large \red{\bf \: Given :- }$

• There are 30% boys in a school.
• The total number of students in the school is 540.

$\large \red{\bf \: To  \: Find :- }$

• The number of boys in the school?

$\begin{gathered}\Large{\bold{\blue{\underline{CaLcUlAtIoN\::}}}} \\ \end{gathered}$

Total number of students in school = 540

Percentage of boys = 30 %.

$\begin{gathered}\bf\red{So,} \end{gathered}$

$\bf \:Number \: of \: boys = 30\% \: of \: 540$

$\bf\implies \:Number \: of \: boys = \dfrac{30}{100} \times 540$

$\bf\implies \:Number \: of \: boys = 162$

___________________________________________

$\large \red{\bf \: ⟼ Explore \: more } ✍$

Profit, P = SP – CP; SP > CP

Loss, L = CP – SP; CP > SP

P% = (P/CP) x 100 %

L% = (L/CP) x 100 %

SP = {(100 + P%)/100} x CP

SP = {(100 – L%)/100} x CP

CP = {100/(100 + P%)} x SP

CP = {100/(100 – L%)} x SP

Discount = MP – SP

SP = MP -Discount