11. 9/20
12. 13/20
13. 12/20
that's if it doesn't have to be in percentage form
Answer:47.25
Step-by-step explanation: it is 10.5 x the 4.5
The Answer Is B
Use proportions to find x% of the children playing on the swings.


Meaning B is correct.
Let B = age on Ben
and age of Ishaan =I
B =4I
B = 6+I
Gives 6+I = 4I
6 = 3I
I =2 years and B = 4x2 = 8years
Age of Ishaan = 2 years