Question

the ratio of boys and girls in a school is 12:5. If the number of girls is 840, the total strength of the school is​

Answer 1

As ratio of boys and girls is 12 : 5 , lets assume number of boys = 12x and number of girls = 5x . Hence total strength of school is 2856.

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Answer 2

Answer:

2856

Step-by-step explanation:

Given:

Ratio of boys and girls in a school = 12:5

Number of girls=840

let, the number of boys and girls be "x".

5x=840

$x = \frac{840}{5} \\ x = 168$

Number of boys =12(168)

=2,016

Total number of students in the school=840+2016

=2,856