Question

If 70% of students in a school are boys and the number of girls is 540, find the number of boys in school?

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Answer 1

Answer:

Boys = 1260

Step-by-step explanation:

It is clear that you out of 100%

30 % are girls

Therefore 30 % = 540

1 % = 540 / 30 = 18

1% = 18

100 % = 1800 ( total number of students)

Now

Boys = 1800 - 540

= 1260

Answer 2

Answer:

if 30 % of students is 540 ( total no. of girl)

then 70% of students (total no. of boys)= ?

for 30 %= 30÷100x=540 then

for 70 % 5= 540×100÷30=1800

therefore total no. of boys are 1800