SOLUTION: A train leaves Little Rock, Arkansas, and travels north at 75 kilometers per hour. Another train leaves at the same time and travels south at 70 kilometers per hour. How long will

Question 651404: A train leaves Little Rock, Arkansas, and travels north at 75 kilometers per hour. Another train leaves at the same time and travels south at 70 kilometers per hour. How long will it take before they are 580 kilometer apart?
It will take ____ hours.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
75+70=145
580/145=4 hrs