A certain fraction has the same ratio to 1/36, as 4/5 does to 2/9. What is this certain fraction? Choose the correct choice.
A) 1/5  B) 1/10  C) 1/15  D) 1/20  E) 1/25
x / (1/36) = (4/5) / (2/9)   x = 4*9*1 / 36*5*2 = 1/10   The answer is 1/10.
<result>B</result>
A certain fraction has the same ratio to 1/36, as 4/5 does to 2/9. What is this certain fraction?