Answer:
B
Step-by-step explanation:
Let's turn these fractions into decimals.
A: 1/3 = 0.333333......
B: 1/5 = 0.2
C: 1/7 = 0.142857143142....
D: 1/9 = 0.1111111.....
As you can see, the only decimal expansion that terminates, or has a finite number of digits after the decimal point, is 1/5.
