Respuesta :

Answer: I think 27/2

Explanation:

Let number = x:

√(2x - 11) = 4

Now to get x, we undo the square root by squaring both sides:

[√(2x - 11)]² = 4²

(2x - 11) = 16

2x = 27

x = 27 / 2

Hope this helps!