SOLUTION: If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mp

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Question 110853: If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the planes are flying at a right angle to each other (Pythagoras rides again!!)

the distances from the airport are 300 (2 times 150) and 400 (2 times 200)

let d=distance ... d^2=300^2+400^2 ... hmmm, something about 3, 4, 5