Answer
$10$
Work Step by Step
Plug in and use PEMDAS (parentheses, exponentiation, multiplication, division, addition, subtraction) to determine which operation goes first.
$\frac{5}{1-\frac{1}{2}} = \frac{5}{\frac{1}{2}} = \frac{5\cdot2}{\frac{1}{2}\cdot2} = 10$
