SOLUTION: two airplanes start at the same time and fly toward each other from points 200 km apart at rates of 350 km/h and 400km/h when will they meet

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Question 744932: two airplanes start at the same time and fly toward each other from points 200 km apart at rates of 350 km/h and 400km/h when will they meet
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Think of one plane as standing still and the
other approaching at the sum of their speeds.
Equation for the moving plane:
+200+=+%28+350+%2B+400+%29%2At+
+200+=+750t+
+t+=+200%2F750+
+t+=+.2667+ hrs
+.2667%2A60+=+16+ min
They will meet in 16 min