Question

The boys and
girls in a school are in the ratio 8 is to 3.if the number of girls is 405,how many boys are there in the school?

Answer 1

hey mate

here's your answer,

question: The boys and girls in a school are in the ratio 8 is to 3.if the number of girls is 405,how many boys are there in the school?

answer: Let the number of boys be 8x .

Let the number of girls be 3x .

according to the question,

》 3x = 405

》 x = 135

the value of x is 135

the number of boys in the school = 8x = 8 × 135 = 1080

the number of girls in the school = 3x = 3 × 135 = 405

the number of boys in the school is 1080

hope it helps you mate

be brainly

keep asking

thanks for asking this question

Answer 2

Answer:

The no. Of boys is 1080

Step-by-step explanation:

Given ::- Boys : Girls = 8 : 3

No. of girls = 405

to find ::- no. of boys.

Solution ::-

Let no. of boys be b

Let common multiple be x

8x and 3x

8x/3x = b / 405

8/3 = b /405

8 × 405 /3 = b

8 × 135 = b

b = 1080

Therefore the no. of boys is 1080.

HOPE IT HELPS YOU!!