SOLUTION: two buses leave the same station at 7:00 pm. One bus travel north at the rate of kph and the other travels east at 40 mph. How many km apart are the buses at 8:00pm.?

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Question 979155: two buses leave the same station at 7:00 pm. One bus travel north at the rate of kph and the other travels east at 40 mph. How many km apart are the buses at 8:00pm.?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
not enough information