SOLUTION: A train leaves little rock, Arkansas, and travels north at 55 kilometers per hour. Another train leaves at same time and travels south at 80 kilometers per hour.?how long will it t

Question 841802: A train leaves little rock, Arkansas, and travels north at 55 kilometers per hour. Another train leaves at same time and travels south at 80 kilometers per hour.?how long will it take before they are 540 kilometers apart?
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
A train leaves little rock, Arkansas, and travels north at 55 kilometers per hour.
Another train leaves at same time and travels south at 80 kilometers per hour.?
how long will it take before they are 540 kilometers apart?
D = r
55kmph + 80kmph = 540km
t(55kmph + 80kmph) = 540km
t =
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
55t+80t=540
t=4

RELATED QUESTIONS
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 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 80 kilometers per hour.... (answered by Alan3354)
A train leaves Little Rock, Arkansas, and travels north at 90 kilometers per hour.... (answered by macston)
A train leaves Little Rock, AK and travels north at 55 kilometers per hour. Another train (answered by solver91311)
A train leaves Little Rock, Arkansas and travels north at 55 kilometers per hour. Another (answered by josmiceli)
A train leaves Little Rock, Arkansas, and travels north at 55 kilometers per hour. (answered by ikleyn)
A train leaves Little Rock, Arkansas, and travels north at 90 kilometers per hour.... (answered by josmiceli)