Answer: 6 m
This statement:
"Jared has run two-thirds of an 18-kilometer race" can be written as an equation:
[tex]18km.\frac{2}{3}=12km[/tex]
This means two-thirds of 18 km is equivalent to 12 km
If we substract this value to the total, we have the values of the kilometers left to run:
[tex]18km-12km=6km[/tex]
Therefore the correct option is D