If $$\dfrac{a}{b} =2$$, what is the value of $$\dfrac{4b}{a}$$ ?

Question

If $$\dfrac{a}{b}  =2$$, what is the value of $$\dfrac{4b}{a}$$  ?

Uniteasy Admin · Accepted Answer

Since $$\dfrac{a}{b}  =2$$, 
$$\dfrac{4b}{a}=\dfrac{4}{\dfrac{a}{b}  } =\dfrac{4}{2}=2   $$
The correct choice is 2