I do not know how to get the following answer
reloading image.
The answer that is tehre i think is the right one, but i have no clue...
Determine the equation that represents the area of the picture:
The dimensions are given to you: by
So we see that area is
However, the area has a value of
Thus,
Factor out the left side, and then the equation becomes
Solve this quadratic equation.
Can you take it from here?
--Chris