Question

6. The ratio of the number of boys to the number of girls in a school with 840 students was 7:5. In the new
session, the number of boys increased by 20 and the ratio of boys to girls changed to 6: 5. Calculate the
number of new girls.​

Answer 1

Answer:

I am tell but ratio is not good chapters I am not having power tell this question please don't cry because you really try