Question

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.
o want it step by step please ​

Answer 1

Answer:

don't know the answers sorry

Answer 2

Step-by-step explanation:

i can't understand this question sry