Which two fractions name point R on the number line?

A number line is shown from zero to 1, divided into eighths. Point R is two marks to the left of 1.

(1 point)
Responses

18
or 216
1 8 or 2 16

28
or 14
2 8 or 1 4

78
or 1416
7 8 or 14 16

68
or 34

6 8 or 3 4