Question

Jenna is twice as far from the finish line as she is from the start of a 10 km race. how far has she ran?

Answer 1

If she is still twice as far from the finish as she is from the start,
then she has run one-third of the course so far, and has two-thirds
left to go.

1/3 of 10 km = 10/3 km = 3 and 1/3 km,  or    3,333 and 1/3 meters .