Hi there!
[tex]\large\boxed{D = 1.6}[/tex]
To find the decimal, we must look at the amount of subdivisions between 1 and 2.
Counting, we get 10 divisions, so each increment is by 0.1.
D is located at the sixth line from 1, so:
1 + 6(0.1) = 1 + 0.6 = 1.6
