Answer :

arewar
[tex]\frac{20}{2(5+5)}[/tex] - Following the order of operations, we do parenthesis first. 
[tex]\frac{20}{2(10)}[/tex] - Multiply out the value against the parenthesis. 
[tex]\frac{20}{20} = 1[/tex] - This leaves us with 20 over 20. 20 goes into 20 only 1 time, so our final answer is 1.
toddo1225
if you simplify the 2(5+5) to 2x10 and then 20 you get 20/20 which equals one

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