SOLUTION: Two cars leave Memphis from exactly the same location, at the same time. One travels North at an average speed of 70 mph and the other travels south at 65 mph. Approximately how lo

Question 960774: Two cars leave Memphis from exactly the same location, at the same time. One travels North at an average speed of 70 mph and the other travels south at 65 mph. Approximately how long will it take before the cars are 270 miles apart?
A. 1 hr 18 minutes
B. 1 hr 28 minutes
C. 1 hr 38 minutes
D. 1 hr 48 minutes
E. 2 hrs
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Think of this as one car standing still
and the other car moving at
the sum of their speeds
--------------------------

They will be 270 mi apart in 2 hrs

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