100cm to go in 600 secs = 10mins
2 positive, 1 negative .... net 1 positive per step
Kinematic question!
Start with your knowns!

we want to find x!
the only kineamtic that works with this info is the third!

so we plug in our values and get

this'll equal out to -159.2 meters.
our units equal out, so we know our answer is correct!