20 dollars plus 5% adds a 1 dollar to get 21 dollars then 15% adds 3.15$ to get 24.15&
I believe 80% because there would be 48 people left and theres 60 people total so i believe that you would do 60/48
28.5 (I don't know if this is fully correct)
Answer:
A) x=5 or -11
Step-by-step explanation:
The given equation is:

The most suitable method so solve this quadratic equation is the square root method.
We take square root of both sides to obtain:



We now split the plus or minus sign to get;

This simplifies to:

The correct choice is A