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

Algebra ->  Percentage-and-ratio-word-problems -> 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      Log On


   

Question 216342: 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 rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
you have a right triangle so use c^2=a^2+b^2
c^2=300^2+400^2
c^2=90000+160000
c^2=250000
c=500 miles apart