Question

If score of boys is increased by 4 each because of which
mean increases by 1.2. Find the percentage of girls in
the class.
A) 20%
B) 30%
C 70%
D) 80%

Answer 1

Answer:

C- 70 % is the correct answer pls like and follow me

Answer 2

Step-by-step explanation:

I think the answer must be 60%.