SOLUTION: A train leaves Little Rock, Arkansas, and travels north at 80 kilometers per hour. Another train leaves at the same time and travels south at 75 kilometers per hour. How long with

Question 909259: A train leaves Little Rock, Arkansas, and travels north at 80 kilometers per hour. Another train leaves at the same time and travels south at 75 kilometers per hour. How long with it take before they are 310 kilometers apart?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A train leaves Little Rock, Arkansas, and travels north at 80 kilometers per hour. Another train leaves at the same time and travels south at 75 kilometers per hour. How long with it take before they are 310 kilometers apart?
-------------------
Going is opposite directions, the speeds are added.
---
d = r*t
t = d/r
RELATED QUESTIONS
A train leaves little rock, Arkansas, and travels north at 55 kilometers per hour.... (answered by ewatrrr,richwmiller)

A train leaves Little Rock,Arkansas, and travels north at 85 kilometers per hour.... (answered by mananth)

A train leaves Little Rock, Arkansas, and travels north at 65 kilometers per hour.... (answered by rfer)

A train leaves Little Rock, Arkansas, and travels north at 90 kilometers per hour.... (answered by macston)

A train leaves Little Rock, Arkansas, and travels north at 80 kilometers per hour.... (answered by ikleyn)

A train leave Little Rock,Arkansas, and travels north at 55 kilometers per hour. Another... (answered by Fombitz,MathTherapy)

A train leaves Little Rock, Arkansas, and travels north at 90 kilometers per hour.... (answered by josmiceli)

A train leaves Little Rock, Arkansas, and travels north at 60 kilometers per hour.... (answered by greenestamps,ikleyn)

A train leaves Arkansas, and travels north at 80 kilometers per hour. Another train... (answered by stanbon)