find a number that is between 6/11 and 0.6 (the 7 is repeating)
a) 11/18
b) 69/99
c) 24/33
d) 26/55
! : d

A.11/18

Here's why..
6/11 = 0.54545

A) 11/18 = 0.6111 (the value is found between the given range of 0.54545 and 0.6777)
B) 69/99 = 0.6969 (not the answer; the value is greater than 0.6777)
C) 24/33 = 0.7272 (not the answer; the value is greater than 0.6777)
D) 26/55 = 0.472472 (not the answer; the value is lesser than 0.5454)