Answer:
The difference between 19 and 8 is 11.
Step-by-step explanation:
Given:
The difference between a number and 8 is 11
Find the number.
Solution:
Let the unknown number be 
The difference between the unknown number can be written as:

We are given that the difference =11
So we can write the equation to find
as :

Using additive property to solve for 
Adding 8 to both sides to isolate
on one side.

∴ 
∴ The unknown number = 19
B) because i think its that answer
The Answer Is B
Use proportions to find x% of the children playing on the swings.


Meaning B is correct.
I'm pretty sure the answer is 5 because I did 50% of 50 which is 5
2 pounds ---- 100%
x pounds -----18%
x=(2*18)/100=36/100=0.36 pounds