Question

The ratio of girls and boys attending a school is 7:8. If there are 640 boys in a school ,how many girls are there??

Answer 1

$\bf{\underline{\huge{ ANSWER}}}$

Ratio of number of girls to boys = 7 : 8

Let the no. of girls be 7x

Let the no. of boys be 8x

$\bf{\underline{ GIVEN}}$

Number of boys = 640

Therefore,

8x = 640

x = 640/8

x = 80

No. of girls = 7x

=> 7 × 80

=> 560 girls $\bf{\boxed{ ANS}}$

_______________________________

#BE BRAINLY

Answer 2

❤here is your answer ✌ ✌

Given :-

RATIO OF GIRL AND BOYS IS 7:8

LET NO OF GIRL BE=7X

LET NO OF BOYS BE=8X

NOW

NUMBER OF BOYS= 640

8X=640
X=80

NO OF GIRL=7X
=>7×80=560 girls