Finding distance of two runners

[gotpink74]

1. Homework Statement
Runner A is initially 6.0 km west of a flagpole and is running with a constant velocity of 4.8 km/h due east. Runner B is initially 6.6 km east of the flagpole and is running with a constant velocity of 8.6 km/h due west. What will be the distance of the two runners from the flagpole when their paths cross?


2. Homework Equations
i have no clue

The Attempt at a Solution

i don't even know where to start
HELP!

 

[PeterO]

1. Homework Statement
Runner A is initially 6.0 km west of a flagpole and is running with a constant velocity of 4.8 km/h due east. Runner B is initially 6.6 km east of the flagpole and is running with a constant velocity of 8.6 km/h due west. What will be the distance of the two runners from the flagpole when their paths cross?


2. Homework Equations
i have no clue

The Attempt at a Solution

i don't even know where to start
HELP!

You could consider where they will be 30 minutes after the start of this problem, just to get a feel for what is happening.