Astronaut Sarah Leaves Earth in a Spaceship at a Speed

Multiple Choice

Astronaut Sarah leaves Earth in a spaceship at a speed of 0.280c relative to Earth.Sarah's destination is a star system 12.5 light-years away (one light-year is the distance light travels in one year) .According to Sarah,how far did she travel during the trip?

A) 13.0 light-years
B) 12.5 light-years
C) 12.0 light-years
D) 11.5 light-years
E) 11.0 light-years