\(\frac{20}{2(5+5)}\) - Following the order of operations, we do parenthesis first.
\(\frac{20}{2(10)}\) - Multiply out the value against the parenthesis.
\(\frac{20}{20} = 1\) - This leaves us with 20 over 20. 20 goes into 20 only 1 time, so our final answer is 1.